Senior DevSecOps Engineer - Onsite in Sterling, VA

Lyntris; Sterling (VA); On-site; USD 140,000 - 186,000; Full time

Benefits offered by this job

Paid Time Off

Paid Company Holidays

Optional HSA and FSA

Base and Voluntary Life Insurance

Short Term Disability Insurance

Long Term Disability Insurance

401k Matching

Employee Assistance Program

Job summary

Lyntris is seeking a Senior DevSecOps Engineer for an on-site role at a Sterling, VA facility. The position requires a TS/SCI clearance and U.S. citizenship.

You will build and maintain automation, CI/CD pipelines, and secure environments for complex DoD software systems across program boundaries. Responsibilities include system integration and testing, tooling development, and advancing automated delivery in classified environments, with flexible start times and a strong focus on secure

Qualifications

• Degree in STEM with minimum 5 years of relevant experience, or advanced degree with 3+ years.
• Hands-on experience integrating and testing software across subsystem or external system boundaries.
• Experience building test automation, harnesses, or test utilities.
• Experience in secure or regulated software environments.
• Experience in cross-functional software development teams.
• Experience with public cloud providers (AWS or GCP).
• Experience with container/orchestration tech (Kubernetes, Docker, etc.).
• Proficiency with Python and Pytest; Linux shell scripting and core CLI tools; CI/CD tooling (GitLab, Artifactory).
• Experience creating test threads, cases, and steps for SWIT and/or SIT.
• Active TS/SCI clearance; U.S. citizenship.

Responsibilities

• System Integration & Test: integrate and test subsystems and external systems.
• Write and maintain SWIT/SIT test threads, cases, steps; ensure traceability.
• Participate in integration events with external system owners and government stakeholders.
• Triage defects; drive closure.
• Test tooling & automation: build simulators, data generators, log analyzers; automate tests.
• Extend CI/CD regression coverage to surface integration failures early.
• Produce consistent test reporting and evidence artifacts.
• Create versioned, documented tooling components for reuse.
• Share practices with junior engineers; stay current with developments.

Skills

STEM degree with experience

Hands-on integration & testing

Test automation harnesses

Secure/regulatory software

Cross-functional teamwork

Public cloud (AWS/GCP)

Container/orchestration (Kubernetes, 0

Education

STEM degree (B.S./B.Eng.)

Advanced degree + ≥3 yrs experience

Tools

Kubernetes

Docker

Podman

Helm

ArgoCD

Flux

GitLab

Artifactory

Pytest

Bash

Job description

Lyntris is seeking a Senior DevSecOps Engineer for an on-site role at a Sterling, VA facility. The position requires a TS/SCI clearance and U.S. citizenship.

You will build and maintain automation, CI/CD pipelines, and secure environments for complex DoD software systems across program boundaries. Responsibilities include system integration and testing, tooling development, and advancing automated delivery in classified environments, with flexible start times and a strong focus on secure