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Best Defense Companies to Work for (523)

Vantor
Aerospace • Artificial Intelligence • Computer Vision • Software • Analytics • Defense • Big Data Analytics
Vantor is forging the new frontier of spatial intelligence to unlock a more autonomous, interoperable world.

Vantor is forging the new frontier of spatial intelligence to unlock a more autonomous, interoperable world. We empower decision makers and operators with the clarity they need to navigate what’s happening now and shape what’s coming next. Our AI-powered spatial intelligence platform fuses data from the world’s highest-resolution satellites with real-time sensor feeds from space, air, and ground to create...

Vantor

Vantor's Top Workplace Perception Strengths

Mission & Purpose: Work centers on GEOINT/IMINT, AI/ML, and multi‑sensor fusion into an “AI‑ready ground truth” used by defense, intelligence, and commercial customers, giving clear, tangible impact.

Benefits & Perks: Competitive pay, 401(k) match, comprehensive healthcare and mental‑health resources, tuition support, paid certifications, parental leave, ERGs, and recognition/internal mobility programs are prominently offered.

Work-Life Balance: Flexible schedules, hybrid and remote options, and explicit efforts to protect work‑life balance are emphasized.

Boeing
Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
33 Offices
170,000 Employees
27 Benefits Hiring Now
Explore New Horizons

A leading global aerospace company and top U.S. exporter, Boeing develops, manufactures and services commercial airplanes, defense products and space systems for customers in more than 150 countries. Our U.S. and global workforce and supplier base drive innovation, economic opportunity, sustainability and community impact. Boeing is committed to fostering a culture based on our core values of safety, quality and...

Boeing

Boeing's Top Workplace Perception Strengths

Mission & Purpose: Work on commercial jets, space systems, and defense platforms is portrayed as consequential and motivating, with pride in building products seen and used worldwide. The scale and visibility of programs provide a clear sense of impact.

Benefits & Perks: Benefits are considered a standout, including day‑one eligibility for core coverage, strong retirement contributions, tuition assistance, and generous paid time off. These offerings are frequently highlighted as a practical advantage of the large‑company infrastructure.

Career Growth: Career paths span engineering, manufacturing, flight test, IT, and more, with internal mobility, apprenticeships, veteran pathways, and rotational or accelerated programs. Tuition assistance and mentorship are described as enabling skill building and long‑term development.

BAE Systems, Inc.
Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
Where purpose connects.

Improving the future and protecting lives is an ambitious mission, but it’s what we do. As a leading aerospace, defense, and security company, we work together to deliver a full range of products and services for air, land, space, and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. How we work is rooted...

BAE Systems, Inc.

BAE Systems, Inc.'s Top Workplace Perception Strengths

Mission & Purpose: Work spans defense domains such as electronic warfare, sensing, ground vehicles, naval systems, and space, making the mission and impact clear for many employees. Feedback suggests people often feel pride in supporting the warfighter and building technology with real‑world consequences.

Work-Life Balance: Many teams offer hybrid options and alternative schedules like 9/80 (every other Friday off), though availability depends on role and program. Feedback suggests these arrangements are a notable perk that can support balance.

Benefits & Perks: Benefit materials highlight comprehensive health coverage, well‑being resources, paid time away (including parental leave), and a 401(k) savings plan. Feedback suggests the breadth of programs and time‑off options are viewed favorably.

HRL Laboratories
Artificial Intelligence • Hardware • Software • Nanotechnology • Semiconductor • Quantum Computing • Defense
4 Offices
850 Employees
69 Benefits Hiring Now
Our technologies operate in space, on aircraft, in automobiles, and in a variety of consumer products.

HRL Laboratories, LLC, Malibu, California, (hrl.com) pioneers the next frontiers of physical and information science. Delivering transformative technologies in automotive, aerospace and defense, HRL advances the critical missions of its customers. As a private company owned jointly by Boeing and GM, HRL is a source of innovations that advance the state of the art in profound and far-reaching ways.

HRL Laboratories

HRL Laboratories's Top Workplace Perception Strengths

Innovation & Products: Projects span cutting-edge R&D in materials/microsystems, sensors/electronics, microfabrication, autonomy and quantum, with work transitioning from basic research to applied solutions for aerospace, automotive, and government programs. Hands-on lab capabilities and a trusted foundry enable meaningful prototyping and technology transfer.

Benefits & Perks: Benefits include multiple medical plan options, company retirement matching/contributions, paid parental leave, paid holidays and PTO from day one, and on-site fitness and wellness amenities at several campuses. Relocation assistance, tuition reimbursement, and other lifestyle perks are also highlighted.

Learning & Development: Mentorship programs, 100% tuition reimbursement for approved education, and support for publishing and conference participation are emphasized. Interns and staff gain hands-on technical experience alongside leading experts across disciplines.

Red 6
Aerospace • Hardware • Software • Virtual Reality • Defense
3 Offices
186 Employees
35 Benefits Hiring Now
A revolutionary technology firm at the forefront of Augmented Reality and synthetic Air Combat Training.

Red 6 is an innovative Augmented Reality (AR) technology startup leading the way in synthetic air combat training. Our primary technology, supporting our ATARS product, enables pilots to simulate the cognitive challenges of flying while accessing realistic, scalable training in dynamic outdoor environments

Red 6

Red 6's Top Workplace Perception Strengths

Mission & Purpose: Work centers on ATARS for live military aviation training, making outcomes feel tangible and consequential. Teams often see their contributions fly in real aircraft and testbeds alongside DoD users and major primes.

Innovation & Products: Cutting‑edge, outdoor, in‑flight AR spans optics, avionics, and real‑time rendering. Rapid iteration from concept to flying prototypes and visibility with prime partners create a strong sense of technical novelty.

Team Support: Colleagues are often seen as friendly, respectful, and collaborative with strong day‑to‑day teamwork. Open communication practices and close, hands‑on work around hardware foster high trust and peer support.

Trail of Bits
Artificial Intelligence • Blockchain • Professional Services • Security • Consulting • Cybersecurity • Defense
Fully Remote
125 Employees
42 Benefits Hiring Now
High-end cybersecurity consultancy with a real-world attacker mentality.

Deepening the Science of Security Founded in 2012 by 3 expert hackers with no investment capital, Trail of Bits is the premier place for security experts to boldly advance security and address technology’s newest and most challenging risks. It has helped secure some of the world's most targeted organizations and devices. Our combination of novel research with practical solutions reduces the...

Trail of Bits

Trail of Bits's Top Workplace Perception Strengths

Learning & Development: Employees are encouraged to publish, speak at conferences, join reading groups, and leverage formal L&D stipends, with time for internal R&D and mentorship. Work spans domains like cryptography, formal modeling, AI/ML security, and tool building that reinforce continuous growth and knowledge-sharing.

Benefits & Perks: Listed offerings include company-paid health insurance, dental/vision, 401(k) match, paid parental leave, generous PTO/holidays, learning stipends, home-office support, and multiple bonus routes. Remote-first policies and stipends support distributed work across time zones.

Autonomy: Roles are designed for remote-first collaboration with flexible hours, mature tooling, and a culture that prizes ownership of outcomes. Documentation, async practices, and trust-based norms enable independent work with sufficient overlap for collaboration.

Turion Space
Aerospace • Artificial Intelligence • Hardware • Information Technology • Software • Defense • Manufacturing
Irvine
150 Employees
41 Benefits Hiring Now
From Detection to Remediation — Protecting the Orbital Highway for Tomorrow’s Space Economy

Turion Space is building the infrastructure to secure and sustain the future of space. Founded to address the growing need for space domain awareness, in-space servicing, and debris mitigation, Turion designs, builds, and operates spacecraft with real-world operational capability. Our vehicles are built for national security and commercial missions that require speed, autonomy, and resilience. We believe the next chapter of...

Turion Space

Turion Space's Top Workplace Perception Strengths

Mission & Purpose: Work is anchored in space domain awareness, in‑space servicing/logistics, and debris mitigation with national‑security and commercial relevance. A mission‑driven culture appeals to builders who want line‑of‑sight to orbit and tangible impact.

Innovation & Products: Ramping DROID satellite production, hardware‑in‑the‑loop development, and on‑orbit software/services point to fast design‑test cycles and hands‑on engineering. A larger Irvine HQ supports accelerated build, integration, and test work.

Market Position & Stability: A $75M Series B and selection to compete on the U.S. Space Force’s Andromeda program signal near‑term demand and capital runway. These factors can translate into stronger tooling, lab resources, and program continuity.

Outpost Space
Aerospace • Defense
United States
24 Employees
27 Benefits Hiring Now
Building the return lane from space.

We’re developing reusable vehicles that bring payloads home from orbit safely and precisely, enabling faster in-space manufacturing, global delivery, and entirely new capabilities in the space economy.

Outpost Space

Outpost Space's Top Workplace Perception Strengths

Mission & Purpose: Feedback suggests strong connection to a bold mission building the “return lane from space,” with hands‑on work on reusable Earth‑return vehicles and in‑space manufacturing that feels tangible and impactful.

Benefits & Perks: Pay is considered competitive with equity and bonuses, and benefits include comprehensive health coverage, retirement matching, generous PTO, relocation support, and daily on‑site perks like lunch stipends, snacks, and a pet‑friendly, wellness‑oriented office.

Autonomy: Employees are given high ownership from day one, with roles spanning design, test, iteration, and flight, and in‑person collaboration that enables rapid decision‑making and end‑to‑end problem solving.

Sierra Space
Aerospace • Hardware • Information Technology • Robotics • Defense • Utilities
4 Offices
1,600 Employees
30 Benefits Hiring Now
Defending Today. Defining Tomorrow.

Securing The Freedom of Operations Headquartered in Colorado, Sierra Space is a mission-proven Defense Tech company delivering satellite platforms, critical subsystems, reusable spaceplanes, hypersonic technologies, propulsion systems, and infrastructure for the nation’s most critical missions. With more than three decades of heritage and a record of flight-proven success in space, Sierra Space is trusted by U.S. National Security, Civil customers, and global...

Sierra Space

Sierra Space's Top Workplace Perception Strengths

Mission & Purpose: Work centers on Dream Chaser, commercial LEO destinations, and national‑security payloads, giving line‑of‑sight to flight hardware and real missions. Feedback suggests this mission focus makes contributions feel tangible and impactful.

Innovation & Products: Cutting‑edge programs like a reusable spaceplane and inflatable habitats emphasize hands‑on integration, testing, and rapid iteration toward near‑term flight. This environment is portrayed as technically stimulating with visible milestones.

Learning & Development: Opportunities to take on challenging assignments, grow early in one’s career, and access mentorship and training are highlighted. Feedback suggests accelerated learning from cross‑disciplinary problem‑solving around build, test, and ops.

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STR
Machine Learning • Security • Software • Analytics • Defense
5 Offices
800 Employees
56 Benefits Hiring Now
STR Harnesses the power of technology to solve the nation's hardest problems.

STR makes the world a safer place by developing technology and applying it to solve emerging national security challenges.

STR

STR's Top Workplace Perception Strengths

Mission & Purpose: Work centers on U.S. national‑security impact across sensing, AI/ML, cyber, and autonomy, described as meaningful and technically challenging. Purpose‑driven framing appears throughout role descriptions and culture materials.

Team Support: Colleagues are portrayed as brilliant, collaborative, and down‑to‑earth, with mentorship, peer relationships, and early responsibility emphasized. Employee‑led culture committees and team‑based planning further reinforce support.

Benefits & Perks: Benefits highlighted include comprehensive health/vision/dental, 401(k) match, equity eligibility, tuition support, wellness programs, and social events with snacks and office amenities. Flexible schedules, hybrid options, commuter benefits, and relocation assistance are also noted.

Striveworks
Artificial Intelligence • Big Data • Computer Vision • Information Technology • Machine Learning • Analytics • Defense
2 Offices
67 Employees
24 Benefits Hiring Now
The Command Center for Enterprise AI

Striveworks helps organizations get the most out of their investment in artificial intelligence. Our proprietary technology allows organizations to rapidly build, launch, and maintain AI models—in hours, not months. Users can deploy them in one click and keep them working even when the world changes around them. Striveworks delivers trustworthy AI-powered analysis by creating models that “learn” and stay ahead...

Striveworks

Striveworks's Top Workplace Perception Strengths

Mission & Purpose: Work centers on deploying and operating AI for U.S. defense and public‑sector missions, with hands‑on impact in high‑stakes, real‑world environments. Recent program wins and field demonstrations underscore tangible mission outcomes and applied problem‑solving.

Compensation: Pay is considered strong with equity and performance bonuses, alongside a comprehensive package including 401(k), medical/vision/dental, generous parental leave, hybrid work, and unlimited PTO. The total rewards mix signals competitiveness for technical roles.

Career Growth: Promotion‑from‑within, direct ownership from day one, and cross‑functional squads indicate clear paths to advancement. Regular lunch‑and‑learns and collaborative practices further support skill building that accelerates growth.

Ursa Major
Aerospace • Defense
3 Offices
330 Employees
51 Benefits Hiring Now
Powering the future of defense and aerospace. Fly More. Fly Faster.

Ursa Major was founded to address a critical shortfall in the U.S. industrial base and bring a new model to aerospace and defense systems: we design and manufacture the world’s leading propulsion systems for space, hypersonic applications, and missile systems. Our products and technologies require an extraordinary team – a team that will mold tomorrow’s technologies while deploying today’s best....

Ursa Major

Ursa Major's Top Workplace Perception Strengths

Mission & Purpose: Teams build and test flight-proven propulsion used in hypersonics, space mobility, and launch, creating visible real‑world impact. Frequent hot‑fires and flight activity make the mission tangible day to day.

Team Support: Colleagues are often seen as collaborative, caring, and willing to help, fostering strong camaraderie. Regular recognition and social events reinforce a supportive, values‑driven culture.

Benefits & Perks: The package includes equity, a 401(k) with match, comprehensive health coverage, and unlimited PTO with additional company‑wide breaks. Relocation assistance and flexible scheduling options are also highlighted.

Air Space Intelligence
Aerospace • Artificial Intelligence • Logistics • Machine Learning • Software • Transportation • Defense
3 Offices
150 Employees
39 Benefits Hiring Now
When predictability matters, real-time is already the past.

ASI is a dual-use software company that deploys predictive AI to the world's most complex operating environments. Backed by leading investors–including Andreessen Horowitz, Renegade Partners, and Spark Capital–we actively manage over 40% of all US air traffic across both public and private sector air operations. Partnering with major airlines like United and Alaska, we optimize thousands of flights daily, delivering...

Air Space Intelligence

Air Space Intelligence's Top Workplace Perception Strengths

Mission & Purpose: The work centers on applied AI for safety- and mission-critical operations across aviation, defense, logistics, and emerging air mobility, with visible real-world outcomes like fuel and CO₂ reductions and airspace-integration partnerships. Materials also emphasize a civic angle in modernizing critical infrastructure through dual-use applications.

Autonomy: Company materials highlight “independent thinkers,” early ownership, and fast shipping cycles in tight customer loops, giving individuals broad scope from day one. Roles embed with operators to solve real workflows, reinforcing end-to-end responsibility and proactive problem-solving.

Benefits & Perks: Stated offerings include premium healthcare with full employee coverage, a 401(k) match, equity, flexible hours and time off, strong equipment, and daily meals. Perks also extend to relocation support, hybrid flexibility by role, and a collaborative, in-office environment.

Vannevar
Artificial Intelligence • Machine Learning • Software • Defense
6 Offices
225 Employees
29 Benefits Hiring Now
Vannevar builds AI systems to solve America's hardest national security challenges.

Vannevar combines Silicon Valley innovation with former special operators to build AI for real-world national security outcomes. Since our founding in 2019, Vannevar has deployed its technology across 125 missions, safeguarding our service members and improving our country's deterrence. We believe our military service members and intelligence officers deserve access to the best technology American innovation can offer, and we are...

Vannevar

Vannevar's Top Workplace Perception Strengths

Mission & Purpose: Work ties directly to national security missions with software used across service branches and combatant commands, emphasizing rapid deployment and “AI at the edge.” Feedback suggests many employees find fulfillment from building impactful solutions and prioritizing “mission wins” with real user impact.

Benefits & Perks: Benefits include top‑tier health/dental/vision, 401(k) with matching (tiered), equity/ESPP, generous or unlimited PTO, wellness and home‑office stipends, and parental support. A remote‑friendly model, flexible schedules, and commuter or coworking access reinforce flexibility.

Autonomy: Engineering roles often own end‑to‑end delivery—gathering requirements, building, deploying, and training users in the field. Customer‑embedded, forward‑deployed work and small, fast teams create high ownership and rapid concept‑to‑product cycles.

Onebrief
Software • Defense
Fully Remote
350 Employees
23 Benefits Hiring Now
Building the future of the military staff.

Before Onebrief, military planning and collaboration was slow, inefficient, and resource-intensive. Building slides with no version control as partners collaborated would have staffs spend weeks or months on a single product or document. With Onebrief, these workflows are now simple and collaboration between large commands is efficient. Staff optimization is the key to building a more resilient, more effective military. Today...

Onebrief

Onebrief's Top Workplace Perception Strengths

Mission & Purpose: Work is described as directly supporting national security and modernizing operational planning across U.S. military and allied contexts, including use in real exercises and secure environments. Many staff are drawn by tangible mission impact and a builder ethos focused on outcomes for military users.

Autonomy: Roles are framed with high ownership and minimal mandatory meetings, enabling individuals to shape problems end to end with significant trust. Leadership is portrayed as approachable with open-door practices and purposeful offsites that facilitate direct collaboration.

Market Position & Stability: Recent late-stage funding and the addition of simulation/wargaming via acquisition indicate strong momentum and resources to scale. Public materials also point to deployments across varied defense environments and interoperability goals, suggesting durable demand.

True Anomaly
Aerospace • Artificial Intelligence • Hardware • Machine Learning • Software • Defense • Manufacturing
4 Offices
300 Employees
21 Benefits Hiring Now
Delivering decisive capabilities for space superiority.

Space was once the quietest place in the universe. Now, it's crowded, contested, and confrontational.  We are True Anomaly: the only defense company focused exclusively on space defense. Founded in 2022 by ex-U.S. Space Force members, True Anomaly designs and builds advanced systems for space superiority: agile and powerful spacecraft platforms, mission software engineered for unmatched command and control, and payloads...

True Anomaly

True Anomaly's Top Workplace Perception Strengths

Mission & Purpose: The mission to deliver space‑superiority capabilities and protect U.S. assets is positioned as front and center. Work spans spacecraft, autonomy, and mission operations, offering a sense of consequential impact.

Benefits & Perks: Company materials highlight fully employer‑paid healthcare, equity, 401(k), generous time off, parental leave, and office perks. Structured recruiting/onboarding and relocation support are also emphasized.

Market Position & Stability: Recent large fundraises, facility expansion, and visible DoD/USSF program participation are repeatedly cited. These signals suggest resources for hiring, manufacturing scale‑up, and flight campaigns.

Caliola Engineering
Aerospace • Hardware • Machine Learning • Software • App development • Defense • Data Privacy
Colorado Springs
68 Employees
26 Benefits Hiring Now
Providing Trusted Solutions for Mission-Critical Communications.

Caliola Engineering, LLC’s staff of systems, security, and software engineers team with PhD researchers to identify and solve mission-critical problems for customers across the US Government. We have subject matter expertise in wireless communications, cryptography, protected MILSATCOM, software defined radio, and unmanned airborne systems. Our team has experience developing and transitioning innovative technologies to Programs of Record. We are a 100%...

Caliola Engineering

Caliola Engineering's Top Workplace Perception Strengths

Mission & Purpose: Work centers on secure, resilient communications with real‑world national‑security stakes. People emphasize purpose, collaboration, and solving hard problems tied to mission outcomes.

Team Support: Colleagues are portrayed as collaborative, high‑trust “cultural multipliers” who help teammates succeed. Leadership is described as approachable with people‑first touches and intentional recognition rituals.

Learning & Development: Pairing PhD researchers with seasoned engineers, lunch‑and‑learns, and mentorship signal a learning‑rich environment. Opportunities to own major pieces in a scaling org further reinforce growth.

MORSE Corp
Aerospace • Artificial Intelligence • Computer Vision • Machine Learning • Natural Language Processing • Software • Defense
3 Offices
195 Employees
50 Benefits Hiring Now
Welcome to MORSE!

MORSE is a specially selected team of scientists, engineers, and software developers who use asymmetric and unconventional approaches to deploy practical solutions that solve difficult multi-disciplinary problems faced by the US National Security Ecosystem.

MORSE Corp

MORSE Corp's Top Workplace Perception Strengths

Mission & Purpose: Work centers on applied autonomy, AI/ML, and mission-systems software for national-security users, creating tangible, impact-driven outcomes. Hands-on prototyping and field testing reinforce real-world contribution.

Team Support: Colleagues are often seen as smart, friendly, and collaborative, with managers accessible and open to career ideas. Open communication, in-person collaboration, and a supportive atmosphere are emphasized.

Benefits & Perks: Employees participate in a fully employee-owned model with equity and bonuses, alongside comprehensive healthcare, generous leave, flexible scheduling, hybrid options, and office amenities. Development support includes training, conferences, continuing education, and structured growth tracks.

Nordic Air Defence
Aerospace • Hardware • Security • Defense

Nordic Air Defence is a Stockholm-headquartered company developing high-tech defensive solutions for both civilian and military use, including the Kreuger 100, a dual-use drone interceptor platform.

Nordic Air Defence
Senior plc
Aerospace • Automotive • Energy • Defense
2 Offices
6,779 Employees
10 Benefits Hiring Now

Senior plc is a global, market-leading engineering solutions provider that designs and manufactures high-technology components and systems for the aerospace, defense, land vehicle, and power & energy markets.

Senior plc

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