INflow Federal

Linux Systems Engineer

Reposted 9 Days Ago

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San Diego, CA

In-Office

130K-200K Annually

Mid level

Cloud • Information Technology • Cybersecurity

The Role

The Systems Engineer will design, secure, and manage systems for defense innovation, ensuring compliance and performance through collaboration with cybersecurity teams and technical expertise.

Summary Generated by Built In

At INflow Federal, we’re not just building infrastructure—we’re shaping the future of national defense. We design and engineer secure, intelligent systems that empower mission success through the seamless integration of human insight and machine capability. With deep roots in Department of Defense (DoD) networks and a commitment to operational excellence, we deliver infrastructure that fuels advanced analytics, AI/ML, and data-driven decision-making at scale. Every project is an opportunity to tackle complexity head-on and build solutions that make a real-world impact. Join INflow and help lead the charge toward a smarter, more connected defense landscape.

About This Position:

INflow Federal is seeking a Systems Engineer to support one of the most technically advanced environments in the defense industry. In this role, you will work shoulder-to-shoulder with some of the brightest minds in aerospace and national security technology.

In this position, you’ll design, secure, and manage mission-critical systems that power defense innovation—from hardened Linux environments to multi-platform authentication domains. Your work will directly contribute to safeguarding classified operations while ensuring seamless system performance and compliance with top-tier cybersecurity standards.

Here, your work is more than a job—it's a journey in innovation. With opportunities to work on high-impact projects, access to the latest technologies, and a culture that thrives on creativity and collaboration, INflow Federal is where your expertise can truly make a difference.

Specific Duties and Responsibilities:

Build, configure, and administer Linux servers and user workstations for secure, high-performance lab environments.
Design and implement scalable workgroup networks supporting cross-platform collaboration (Windows/Linux).
Manage centralized authentication services using LDAP and Active Directory for mixed client environments.
Engineer and maintain reliable systems administration solutions to support mission and project operations.
Proactively monitor, log, and analyze system performance—resolving exceptions before they impact operations.
Deploy software patches, hot fixes, and updates across servers, workstations, and network hardware.
Create and modify automation scripts (Shell, Perl, PowerCLI, or PowerShell) to optimize administrative tasks.
Support continuous improvement efforts focused on system stability, scalability, and security.
Collaborate across technical teams to streamline processes and automate deployments.
Partner with cybersecurity teams to harden systems to ICD-503 standards and implement DoD security controls.

Required Skills:

Red Hat Enterprise Linux (RHEL) administration
multiple specialties such as operating systems, storage technologies and peripherals, including working knowledge of Red Hat Enterprise Linux operating systems administration (5 years)
Scripting proficiency in Shell, Perl, PowerCLI, or PowerShell
Familiarity with DNS, LDAP, and cross-platform authentication systems
Experience managing system updates via YUM/DNF and Red Hat Satellite
Background working with Ansible modules and Trellix Anti-Virus
Working knowledge of cybersecurity tools like Trellix, HBSS, and Carbon Black
Familiarity with VMWare and virtualization concepts
Experience or familiarity with AWS (EC2, S3, EFS), Git, and DevSecOps principles a plus

Desired Skills:

Experience with Git configuration management
Exposure to Amazon Web Services (AWS) including EC2, S3, and EFS
Understanding of DevSecOps methodologies and automation pipelines

Experience & Education Requirements:

3–5 years of professional systems administration experience
Bachelor’s degree in Computer Science, IT, or related field required
Security+ Certification (or ability to obtain within 3 months)

Clearance Requirements:

Active DoD TS/SCI (ability to obtain CI poly)

About INflow Federal

Founded in 2013, INflow Federal is a mission-driven small business delivering cutting-edge solutions in Network Modernization, Cybersecurity, and Data Modernization to support Joint Force operations across 20+ states. We’re proud to serve customers like the U.S. Navy, Marine Corps, and other federal agencies.

Our strength comes from our people—especially the Veterans who make up over 50% of our workforce. Through our Veteran Outreach Program and employee-first culture, we invest deeply in professional growth, well-being, and innovation.

Known for our agility, transparency, and integrity, INflow combines real-world experience with emerging technologies like AI/ML to help our customers lead in a rapidly evolving defense landscape. We empower both our employees and mission partners to stay ahead—driving smarter, faster, and more secure outcomes.

Citizenship Requirements

* Please note that INflow Federal is a defense contractor. Pursuant to our government contracts, candidates must be US Citizens to be considered for employment.

Other Notes

- Some travel may be required: Must have valid driver’s license and transportation. This is subject to change at the direction of the customer.

Other:

- Candidate must have the ability to lift up to 50 lbs.

Must have willingness to perform duties not listed in the job description as required by INflow and our customer.

Equal Opportunity Employer

Diversity and Inclusion

INflow provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

This commitment applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, leaves of absence, compensation, and training. Job applicants and employees are evaluated solely on job-related qualifications and experience.

Top Skills

Active Directory

AWS

Cybersecurity Tools

Devsecops

Git

Ldap

Linux

Perl

Powercli

Powershell

Shell

Windows

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The Company

Ashburn, , Virginia

44 Employees

Year Founded: 2013

What We Do

INflow Federal was founded in 2013. The “INflow difference” begins with a simple belief encompassing the importance of employee culture. We are obsessed with our people and have demonstrated year-over-year that our employee-focused approach leads to customer success.

As a leading Small Disadvantaged Business (SDB) innovator, we offer proven expertise in Network Modernization, Cybersecurity, Digital Modernization and Joint Force Mission Operations. We serve our federal government customers in over 20 states domestically to include the United States Navy (USN), United States Marine Corps (USMC), National Reconnaissance Office (NRO) and Joint Forces.

At INflow, US Military Veterans have continuously paved the path ahead for our customers. We developed a homegrown “Veteran Outreach Program” focused around attracting and hiring transitioning military personnel and has resulted in veterans representing over 50% of our company.

Simplifying the customer experience requires everyone within our organization to work together. Our leadership communicates transparently with our team on a regular basis with a commitment to do the right thing for all those we serve. Our customers recognize doing business with INflow means working with people who consistently deliver with agility, passion and integrity.

This is how INflow continues to evolve, grow and accompany our customers into the future of mission systems and operations.

Visit us at www.INflowFed.com.