DevSecOps Engineer (Secret clearance)

Leidos; Virginia (IL); Hybrid; USD 108,000 - 195,000; Full time

Job summary

Leidos is seeking a Secret-cleared DevSecOps Engineer to support the Decision Advantage Division. You will design, implement, and enforce security across large-scale DoD systems, automating cybersecurity tasks and maintaining CI/CD pipelines using GitLab, ArgoCD, and related tools.

Ideal candidates have engineering credentials with 8–12 years of practical Linux/Windows administration experience, strong scripting, and STIG familiarity, plus active TS/SCI clearance for work across government and

Qualifications

• Engineering degree or equivalent; 8–12 years of practical software/Linux/Windows system administration experience.
• Active and current Secret clearance.
• Hands-on experience with CI/CD pipelines using GitLab CI, ArgoCD, Flux, Terraform, Nexus/Artifactory, and release pipelines for production quality software.
• Hands-on automation development using Python, Linux shell, PowerShell, Ansible, Terraform, or equivalent languages.
• Experience remediating cyber findings on Linux and Windows (AD, Group Policy).
• Familiarity with STIGs and network systems administration.

Responsibilities

• Design, implement, and enforce security solutions aligned with security policy.
• Provide oversight to hardware/software/network changes and implement best practices for securing infrastructure.
• Automate cybersecurity items and resolve system bugs as required.
• Implement highly technical solutions using advanced technologies.

Skills

Secret clearance

CI/CD pipelines

Python automation

Linux administration

Windows administration

Terraform

Ansible

Docker

Kubernetes/OpenShift

GitLab/Gitea

Education

Engineering degree

8–12 years relevant experience

Tools

Gitea

GitLab

ArgoCD

Flux

Terraform

Nexus/Artifactory

Prometheus/Grafana

Job description

Description

Leidos has an opening for a highly qualified and Secret cleared DevSecOps Engineer for the Decision Advantage Division. This is an exciting opportunity to bring your experience to support across all-domain large-scale weapon systems, Information Technology Systems, and Command and Control Systems to realize the Department of Defense Joint All-Domain Command and Control (JADC2). This position will work closely with Program Managers, domain engineers, and Government counterparts across Government and Industry partners.

Primary responsibilities:

• DevSecOps Engineer design, implement, and enforce security solutions in alignment with securitypolicy.

• DevSecOps Engineer provide oversight to changes in hardware, software, or network configuration and implement best practices in securing the infrastructure.

• Works on automation of cybersecurity items and system bug resolution as required.

• Implements highly technical solutions using various advanced technologies.

Required Qualifications:

• An Engineering degree, 8 - 12 years of relevant practical software Linux and/or Windows system administration experience. Additional years of experience will be considered in lieu of degree.

• Active and current Secret clearance.

• Hands-on experience developing and maintaining pipelines in Gitea, GitLab, or similar CI/CD platforms, automation design and implementation with Gitlab CI, ArgoCD, Flux, Terraform, Nexus Repository Manager, Artifactory, and release pipelines for CI/CD of production quality software.

• Hands-on experience with developing automation using Python, Linux shells, Windows PowerShell, Ansible, Terraform or equivalent languages.

• Experience remediating cyber related findings on Linux host baselines, Windows environments to include Active Directory implementation, and GroupPolicydefinitions.

• Familiarity with network systems administration and STIG Implementation.

Additional Qualifications/Certifications

• Container technologies (e.g., Docker) and orchestration tools (e.g., Kubernetes, OpenShift) knowledge.

• Performance monitoring, logging, and alerting (e.g., Prometheus, Grafana, ALG Stack).

• Familiarity with a variety ofDoDSTIGs (Security Technical Implementation Guide).

• Experience with cyber tools:

  • EvaluateSTIG

  • StigViewer

  • Security Center & Nessus (ACAS)

• Strong organizational, written, and oral communication skills.

• Active and current TS/SCI clearance.

DABAOPP1

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:

April 27, 2026

For 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.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline onlyand 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

#Remote

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.