Senior Computer Systems Engineer

Senior Computer Systems Engineer at Leidos summary:

Senior Systems Engineer role to lead cloud-native architecture and DevSecOps for the U.S. Coast Guard, focusing on AWS/Azure, CI/CD (Harness), IaC (Terraform/Ansible/CloudFormation), containers (Kubernetes/Openshift), and embedded security across the SDLC. Hands-on responsibilities include designing and operating end-to-end pipelines, implementing automation and governance (RBAC, policy-as-code, SAST/DAST), monitoring, and mentoring junior engineers. Requires a bachelor’s degree, 8+ years IT experience, cloud administration experience, strong scripting (Python/Java/Bash/Go), and ability to obtain Public Trust (up to TS/SCI accepted).

Description

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 Systems 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 Systems 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

• ​​Technical delivery of significant portion of engineering activity of assigned programme 
• ​Supporting the definition of the engineering life cycle and ensure that relevant Engineering tasks in the defined scope of work are delivered appropriately 
• ​Working with operational stakeholders, technology suppliers and architects to define system of system level requirements 
• ​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. 
• ​​​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). 
• ​​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 8+ years of experience in an IT-discipline. 
• Excellent customer service skills, with experience working in a customer-facing position for a minimum of 4 years. 
• ​​Minimum 5+ 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). 
• ​Solid understanding of networking, Linux/Unix systems, and version control systems (e.g., Git) 
• ​​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). 
• ​​​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 Certified Kubernetes Application Developer (CKAD), Kubernetes and Cloud Native Associate (KCNA), AWS Certified DevOps Engineer, Certified AWS SysAdmin, AWS Certified Advanced Networking, AWS Certified Security, Azure Developer Associate, Azure Solutions Architect

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:

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:

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.

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 .

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 .

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected] .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission .

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

Keywords:

DevSecOps, CI/CD, Cloud Architecture, AWS, Azure, Kubernetes, Terraform, Harness, Python, Infrastructure as Code