This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced Senior Cybersecurity Engineer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.
In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success.
This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.
Primary Responsibilities:
- Design, implement, and maintain cybersecurity controls aligned with NIST SP 800-53, RMF, and DoD policies.
- Support continuous monitoring operations, including analysis of logs, alerts, and system activity to identify threats and vulnerabilities.
- Conduct vulnerability assessments and support remediation activities across systems and environments.
- Analyze cybersecurity data to detect anomalies, threats, and potential incidents.
- Support integration of cybersecurity controls into DevSecOps pipelines and system development lifecycle processes .
- Collaborate with system engineers, developers, and operations teams to ensure secure system design and implementation.
- Support incident response activities, including investigation, containment, and resolution of cybersecurity events.
- Assist in development and maintenance of cybersecurity documentation, policies, and procedures.
- Ensure systems comply with applicable cybersecurity standards, audits, and inspections.
- Support implementation of Zero Trust architecture principles across system components.
- Provide reporting and analysis to support risk-based decision making by Government stakeholders.
- Participate in SAFe ceremonies including PI Planning, backlog refinement, sprint reviews, and retrospectives.
Basic Qualifications:
- Active TS/SCI clearance with CI Poly.
- Bachelor’s degree in Cybersecurity, Computer Science, Information Assurance, Engineering, or related technical discipline and 8–12 years of relevant experience OR Master’s degree in a related field and 6–10 years of relevant experience.
- Minimum of 8 years of experience in cybersecurity engineering or related field.
- At least one of the following foundational qualification pathways consistent with DoD 8140 requirements:
- Current DoD 8570/8140 baseline certification appropriate for Intermediate Cyber Defense Analyst roles (e.g., CySA+, Security+, CASP+, or equivalent),
- Offerings listed in the DoD 8140 Training Repository,
- Demonstrated equivalent training and experience qualifying under DoD 8140 foundational qualification alternatives.
- Experience supporting cybersecurity engineering, monitoring, or defense operations in DoD or Federal environments.
- Experience with vulnerability management tools (e.g., ACAS, Tenable, or similar) and log analysis tools (e.g., Splunk, ELK).
- Experience analyzing threats, vulnerabilities, and system security posture.
- Experience applying NIST SP 800-53, RMF, and DoD cybersecurity requirements.
- Experience operating within SAFe or Agile frameworks supporting enterprise systems.
- Familiarity with NIST security controls, IdAM services, continuous monitoring, cross-domain security services, and Zero Trust compliance.
- Proficiency in configuring and managing FOSS, COTS, and GOTS security tools.
- Experience in preparing and maintaining cybersecurity artifacts and Body-of-Evidence (BOE) required to support the DoD RMF process.
- Experience in developing and sustaining secure development, deployment, and operational practices.
- Experience in managing security incidents, conducting vulnerability analysis, and enforcing security policies.
Preferred Qualifications:
- Experience supporting cybersecurity operations across NIPRNet, SIPRNet, and JWICS environments.
- Experience implementing Zero Trust architecture and continuous monitoring solutions.
- Experience supporting DevSecOps-integrated cybersecurity practices.
- Experience supporting enterprise data, AI/ML, or cloud platform cybersecurity initiatives.
- Relevant advanced cybersecurity certifications (e.g., CISSP, CEH, or equivalent).
- Experience implementing enterprise-scale Zero Trust Architecture.
- Experience with automated compliance, configuration management, and continuous monitoring solutions.
- Experience supporting advanced threat detection, security analytics, or SIEM/SOAR integration.
- Experience supporting secure enterprise data, analytics, or AI platforms in multi-enclave environments.
- Experience with cloud-based environments and DevSecOps practices.
- Familiarity with AI/ML model serving and integration.
- Experience in site reliability engineering and defining key performance indicators (KPIs) and service level objectives (SLOs).
#ADVANA
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:May 19, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Skills Required
- Active TS/SCI clearance with CI Poly
- Bachelor's degree in Cybersecurity, Computer Science, or related field
- 8-12 years of relevant experience or 6-10 years with a Master's
- Minimum of 8 years in cybersecurity engineering or related field
- Current DoD 8570/8140 certification appropriate for Intermediate Cyber Defense Analyst roles
- Experience with vulnerability management and log analysis tools
- Experience applying NIST SP 800-53 and DoD cybersecurity requirements
- Experience in SAFe or Agile frameworks
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
-
Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
-
Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
-
Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
