Senior DevSecOps Engineer

At Leidos, we're not just delivering solutions - we're pioneering the future of defense and intelligence technology. Our diverse teams of innovators unite around a singular purpose: empowering our customers to succeed in their critical missions. We believe in leading with integrity, investing in our communities, and building sustainably for tomorrow.

Shape the future of digital defense.

Our Digital Modernization sector is at the forefront of next-generation technology, architecting cutting-edge solutions in cyber defense, logistics optimization, security operations, and decision intelligence. We're the minds behind the mission-critical systems that keep our nation secure.

Your opportunity to lead transformation.

We're seeking a Senior DevSecOps Engineer to spearhead cloud initiatives for the United States Coast Guard at C5ISC in Alexandria, VA. In this role, you'll architect the cloud infrastructure that powers critical Coast Guard operations, driving innovation that directly impacts national security.

Ready to engineer solutions that matter?

Primary Responsibilities:

We are seeking a highly capable Senior DevSecOps Engineer with expertise in AWS, Azure, and Python. This individual will be responsible for developing in a scalable cloud-native solutions, and ensuring best practices across architecture, development, deployment, and security. This is a hands-on technical role that requires rolling up your sleeves to architect, code, debug, and mentor.

Key Responsibilities:

• Design, implement and maintain end-to-end CI/CD pipelines in Harness (CI + CD), including builds, tests, artifact publishing, and progressive deployments
• Operate Harness Delegates/agents and configure execution environments (Kubernetes, cloud VMs, Harness Cloud) for pipeline execution.
• Implement pipeline governance: RBAC, policy-as-code (OPA), approval gates and compliance checks; automate rollbacks and continuous verification.
• Improve build & test speed using Harness features (cache intelligence, test intelligence) and optimize artifacts/caching.
• Create/review YAML pipeline definitions, maintain pipelines in Git (Harness Git Experience / .harness repo approach), and enable GitOps workflows where appropriate.
• Design, implement, and maintain CI/CD pipelines for secure, automated software delivery.
• Develop infrastructure as code (IaC) using tools such as Terraform, Ansible, or CloudFormation.
• Embed security best practices into the SDLC and CI/CD processes.
• Implement automated security tools for vulnerability scanning, static/dynamic application security testing (SAST/DAST), and container security.
• Collaborate with security teams to ensure compliance with organizational and industry security standards (e.g., NIST, DoD, ISO).
• Deploy and manage applications on cloud platforms such as AWS, Azure, Google Cloud or Oracle Cloud Infrastructure (OCI).
• Maintain high availability, scalability, and performance of cloud-based systems.
• Configure and optimize container orchestration platforms (e.g., Kubernetes, Docker).
• Establish proactive monitoring solutions to ensure system reliability and availability.
• Work closely with cross-functional teams, including developers, QA, and security professionals.
• Mentor junior team members and contribute to continuous improvement of DevSecOps practices.

Basic Qualifications:

• Bachelor's degree and 12+ years of experience or Masters with 10+ years of prior relevant experience, additional years of experience will be accepted in lieu of a degree in an IT-discipline.
• Excellent customer service skills, with experience working in a customer-facing position for a minimum of 6 years.
• Minimum 7+ year of Administration experience with cloud-based applications (MS O365, SharePoint, Azure AD, AWS)
• Proven experience implementing pipelines in Harness (CI + CD) or other modern CI/CD platforms; comfortable with visual & YAML pipeline editors..
• Proficiency with RedHat Openshift services.
• Proficiency in programming/scripting languages (e.g., Python, Java, Bash, Go).
• Experience with configuration management and orchestration tools (e.g., Terraform, Ansible, Puppet).
• Deep understanding of CI/CD tools (e.g., Harness, Jenkins, GitLab CI, GitHub Actions, Azure DevOps).
• Hands-on experience with containerization and orchestration (e.g., Docker, Kubernetes).
• Strong knowledge of security principles, including threat modeling, vulnerability assessments, and encryption techniques.
• Familiarity with monitoring and logging tools (e.g., Prometheus, Grafana, Splunk, ELK Stack).
• Solid understanding of networking, Linux/Unix systems, and version control systems (e.g., Git)
• Clearance: This position requires candidates to obtain a Public Trust and will accept up to TS/SCI
• Experience with Structura and Coder is a plus.

Certifications:

• Industry Professional certification AWS Certified DevOps Engineer, Certified AWS SysAdmin, AWS Certified Security, Azure Solutions Architect, Certified Kubernetes Application Developer (CKAD), Kubernetes and Cloud Native Associate (KCNA)

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:
February 5, 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 $131,300.00 - $237,350.00

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.