DevSecOps Engineer (Cloud & Platform Engineering)

CONCEPT SOLUTIONS LLC•Reston, VA

3d•$130,000 - $150,000•Remote

About The Position

Concept Solutions, LLC is seeking an experienced DevSecOps Engineer to support a mission-critical application modernization program for a Department of War customer. The position is contingent upon contract award, with an anticipated start in October 2026. The initiative will create a unified platform for a portfolio of production applications, including single sign-on, a common user interface, and a repeatable approach to application integration. The engineer will build, secure, and maintain cloud infrastructure and automated deployment pipelines while helping keep existing mission-critical applications operational during the transition. The role uses AWS GovCloud, Kubernetes, infrastructure as code, and secure CI/CD practices. The position is remote and full-time, with a 40-hour Monday-through-Friday schedule and core hours from 9:00 a.m. to 3:00 p.m. Eastern. The team works in two-week sprints and holds a customer demonstration each sprint. Travel is 0–10% within the Washington, DC metropolitan area. The role requires U.S. citizenship and an active Secret clearance or higher; the candidate must also be eligible to obtain and maintain a DoD security clearance. The position is contingent on contract award.

Requirements

At least 6 years of experience in DevOps, DevSecOps, or platform engineering.
Hands-on experience with Kubernetes and containerized application environments.
Experience with infrastructure as code using Terraform or OpenTofu.
Experience using Helm for Kubernetes application deployment and management.
Experience developing and maintaining CI/CD pipelines using GitLab CI.
Knowledge of container hardening and secure deployment practices.
Experience working with AWS GovCloud.
Active Secret security clearance.
Ability to meet Tier 5 eligibility requirements if privileged administration is required.
U.S. citizenship.
Eligibility to obtain and maintain a DoD security clearance.

Nice To Haves

Experience with Envoy for gateway or proxy functionality.
Familiarity with OpenTelemetry for application and infrastructure observability.
Experience working with Iron Bank container images.

Responsibilities

Build, configure, and maintain infrastructure as code using OpenTofu and Helm within Kubernetes environments hosted on AWS GovCloud.
Support development and operation of a secure, scalable, and reliable application platform.
Maintain consistency across environments by promoting the same code through established deployment processes.
Design, build, and maintain CI/CD pipelines in the customer's GitLab environment.
Integrate automated build, security scanning, policy enforcement, testing, evidence collection, and deployment stages into delivery pipelines.
Apply container security and hardening practices to support secure application deployments.
Operate and maintain the integration gateway and observability stack to support platform reliability and performance.
Support ongoing platform operations while maintaining the stability of existing production applications.
Collaborate with technical teams to enable secure, repeatable application onboarding and deployment processes.