DevSecOps Engineer

Leidos LLC; Huntsville (AL); On-site; USD 70,000 - 126,000; Full time

Benefits offered by this job

Health and Wellness programs

Paid Leave

Retirement benefits

Job summary

Leidos Defense seeks a DevSecOps Engineer to design, build, and secure CI/CD and deployment infrastructure for modern C++ applications. You will automate pipelines, integrate SAST/DAST, and enforce cybersecurity standards across Linux environments.

Ideal candidates have 2+ years in DevSecOps, strong scripting, containerization, and IaC experience, plus US citizenship for DoD clearance. Join a team delivering mission-critical systems across domains.

Qualifications

• 2+ years of experience in DevSecOps, DevOps, or Software Engineering focusing on automation of infrastructure and pipelines.

Responsibilities

• Design, implement, and maintain secure CI/CD pipelines for modern C++ applications.
• Integrate automated security tools (SAST/DAST, scanning) into the development lifecycle.
• Automate infrastructure provisioning using IaC (Ansible, Terraform).
• Collaborate with engineers to optimize build times, scalability, and reliability.
• Support software deployment in various testing environments including HWIL.
• Enforce cybersecurity hardening (DISA STIGs) across Linux environments.
• Troubleshoot pipeline bottlenecks and failures to maintain velocity.

Skills

CI/CD pipelines

Shell scripting

Python scripting

Infrastructure automation

Security testing automation

Education

Bachelor's degree in Electrical Engineering/Computer Engineering/Computer Science

Tools

GitLab CI

Jenkins

Docker/Podman

Ansible

Terraform

SAST/DAST tools (e.g., SonarQube)

Job description

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to doing the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Your greatest work is ahead! Leidos Defense is seeking a talented DevSecOps Engineer to design, build, and secure the continuous integration, continuous delivery (CI/CD), and deployment infrastructure supporting advanced sensor and mission systems. This role is ideal for engineers who enjoy automating software pipelines, integrating automated security testing (SAST/DAST), and optimizing development infrastructure today, while growing into broader system-level deployment and real‑time infrastructure architecture over time. We have offices across the United States engaging in the defense, space, cyber and commercial fields, we provide responsive, cost-effective engineering, scientific and IT solutions. If this sounds like the kind of environment where you can thrive, keep reading! Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large‑scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions.

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.

Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

Primary Responsibilities

• Design, implement, and maintain secure CI/CD pipelines to automate the build, test, and deployment environments for modern C++ applications.
• Integrate and manage automated security tools (e.g., SAST, DAST, dependency scanning, and container vulnerability scanning) into the development lifecycle.
• Automate infrastructure provisioning and configuration management using Infrastructure as Code (IaC) principles.
• Collaborate closely with software, systems, and hardware engineers to optimize software compilation times, build scalability, and deployment reliability.
• Support software integration and deployment in operational, simulated, and hardware‑in‑the‑loop (HWIL) testing environments.
• Enforce cybersecurity compliance and hardening guidelines (such as DISA STIGs) across Linux‑based development and runtime environments.
• Troubleshoot and resolve build failures, environment disparities, and pipeline bottlenecks to ensure high developer velocity.

Basic Qualifications

• Bachelor's degree or higher in Electrical Engineering, Computer Engineering, Computer Science, or a related technical discipline from an ABET‑accredited school.
• 2+ years of experience in DevSecOps, DevOps, or Software Engineering with a heavy focus on infrastructure and pipeline automation.
• Excellent teamwork skills and strong fundamentals in building and managing CI/CD pipelines (e.g., GitLab CI, Jenkins, or similar).
• Proficiency in Linux‑based environments, including advanced shell scripting, system administration, and performance tuning.
• Experience with containerization technologies (e.g., Docker, Podman) and orchestration tools.
• Strong experience with Python or other scripting languages for automation task development.
• Familiarity with building and packaging compiled languages, specifically modern C++ applications.
• Strong problem‑solving skills and the ability to work effectively in a collaborative, cross‑functional team environment.
• US Citizenship required and ability to obtain and maintain DoD Secret clearance.

Preferred Qualifications

• Experience implementing automated security testing (e.g., SonarQube, Fortify, Nexus/Artifactory scanning tools).
• Exposure to radar, RF, or sensor systems and deploying software to hardware‑in‑the‑loop (HWIL) environments.
• Experience with Infrastructure as Code (IaC) tools like Ansible, Terraform, or equivalent.
• Familiarity with distributed applications or messaging frameworks (e.g., ZeroMQ).
• Experience supporting web applications built with Angular TS, Flask, and SQL‑based databases.
• Knowledge of military cybersecurity standards or framework hardening (e.g., NIST SP 800‑53, Risk Management Framework / RMF).

Pay Range

Pay Range $69,550.00 - $125,725.00. 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.

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 here.

Securing Your Data

Leidos will never ask you to provide payment‑related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment‑related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

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.