Principal Systems DevOps Engineer

Job Description

Description

Leidos has a new and exciting opportunity for a Principal Systems Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) .  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos , we offer competitive benefits , including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.   Join us and make a difference in National Security!

We are seeking a highly skilled Principal Systems DevOps Engineer with expertise in Git and extensive experience in platform architecture, automation, and cloud infrastructure. This role requires a deep understanding of Linux and Windows environments, Agile methodologies, and the ability to implement cutting-edge solutions for deployment and system optimization. The ideal candidate is proficient in programming, has a strong background in system administration, and thrives in a collaborative, fast-paced environment.

Responsibilities :

Support the development lifecycle, including platform design, deployment, and debugging.

Build and maintain a release pipeline for fast, secure delivery to production.

Automate deployments across environments using scripting languages and toolkits.

Configure sites / applications via tools like Puppet and Ansible, and maintain Confluence / Jira software.

Assist in designing / maintaining web service infrastructure and deployments.

Identify and implement process improvements through automation and streamlining.

Basic Qualifications

Twenty  (20) years' experience as a SE in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required. Five (5) years of additional SE experience may be substituted for a bachelor's degree.

Clearance Requirement : Top Secret / SCI with Polygraph

Preferred Qualifications

Fluent with Git and version control best practices, including branching and merging strategies.

Strong knowledge of Linux environments (RHEL 6 / 7 / 8, RHCSA / RHCE, CentOS) and Windows system administration.

Experience integrating Jenkins / Bamboo, Docker, and Kubernetes for automated deployment (preferred).

Expertise with caching technologies (e.g., Memcache, Active MQ, Redis, APC), MySQL (Clusters, Replication, Tuning), and Elasticsearch (Kibana a plus).

Familiarity with security practices, networking protocols, firewalls, and PCI compliance.

5+ years in Agile development environments and 5+ years managing AWS cloud or virtualized servers in PaaS environments.

Proficiency in at least one programming language (Ruby, C / C++, Go, Python, or Java) and understanding of object-oriented programming.

Support the planning and test analysis of the DoD Certification / Accreditation Process (as well as other Government Certification and Accreditation (C&A) processes)ed.

Experience with Atlassian tools (Jira, Confluence)

Agile experience

Experience with MS Project and / or Visio

CONMD

CSSRC

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

Original Posting : October 7, 2025

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 $148,850.00 - $269,075.00

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.