DevSecOps Engineer, Senior - Active TS/SCI Clearance to Start

Lockheed Martin•King of Prussia, PA

21h•Onsite

About The Position

The coolest jobs on this planet… or any other… are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every day we use our unique skills and experiences to create, design and build solutions to some of the worlds’ hardest engineering problems. Our culture encourages employees to dream big, perform with excellence and create incredible products. We provide the resources, inspiration and focus and if you have the passion and courage to dream big, we want to build a better tomorrow with you. The Space Security Division within Lockheed Martin Space’s Mission Solutions business area is seeking a talented and dedicated Systems Engineer-IT to become a member of an Agile team focused on IT Infrastructure (Systems Administration, Networking, & Hardware) in the Foxtrot Program Area. Are you a Senior DevSecOps Engineer for something different? In this role you will: Have access to growth opportunities where you can make a difference to a very important mission. Be involved in cloud and Kubernetes system administration Build upon innersourced infrastructure-as-code and contribute to shared repositories across organizations Support internal research and development (IRAD) Design new capabilities Support system security accreditation and process optimization Demonstrate your great work ethic, communication skills, creativity and problem-solving skills to make a lasting difference. This is a level 3, early to mid career role where successful Applicants will: Typically possess a minimum of 3 years of professional experience having received a Bachelors Degree from an accredited college/university in a related discipline, or additional experience/combined education in lieu of degree Selected candidate must have a TS/SCI security clearance prior to start. To promote the sharing of ideas, Lockheed Martin fosters an inclusive work environment that encourages differences and big-picture thinking.

Requirements

Current DoD IAT Level II certification (i.e. Sec+ CE)
Active TS/SCI clearance with the ability to obtain and maintain a Poly
3+ years of hands‑on experience in DevOps/DevSecOps engineering (infrastructure‑as‑code, CI/CD, automation).
Strong proficiency with cloud platforms (AWS, Azure, or GCP) and container orchestration (Kubernetes, OpenShift).
Strong Linux experience – daily administration of Red Hat, Ubuntu, or similar distributions, Bash/Python scripting, package management, system hardening, and troubleshooting.
Excellent problem‑solving skills and the ability to work independently and in cross‑functional teams
Strong documentation skills—producing design docs, test plans, operating instructions, and post‑mortem reports.

Nice To Haves

5 + years of progressive DevSecOps or systems‑engineer experience, especially in defense, aerospace, or mission‑critical domains.
Experience with GitOps workflows (Argo CD, Flux) and service mesh security (Istio, Linkerd).
Hands‑on with CI/CD platforms (Jenkins, GitHub Actions, GitLab CI, Azure DevOps) and pipeline hardening.
Experience with Prometheus/Grafana, Splunk, ELK, or similar stacks
Experience implementing NIST Risk Management Framework (RMF) and NIST SP 800-53 controls
Experience in software development (Java, Go, .NET) to better understand code‑level security.
Experience in agile team leadership or customer interaction

Responsibilities

Be involved in cloud and Kubernetes system administration
Build upon innersourced infrastructure-as-code and contribute to shared repositories across organizations
Support internal research and development (IRAD)
Design new capabilities
Support system security accreditation and process optimization
Demonstrate your great work ethic, communication skills, creativity and problem-solving skills to make a lasting difference