DevSecOps Engineer; Cloud & Platform Engineering

Position: DevSecOps Engineer (Cloud & Platform Engineering)
Reston, VA Description

Concept Solutions, LLC (CS) is seeking an experienced Dev Sec Ops  Engineer to support a mission-critical application modernization program for a Department of War (DoW) customer.  This position is contingent upon contract award, with an anticipated start in October 2026.This initiative will transform how users access and interact with a portfolio of production applications by creating a unified platform featuring single sign-on, a common user interface, and a repeatable approach for integrating applications.

As a Dev Sec Ops  Engineer, you will play a key role in building, securing, and maintaining the cloud infrastructure and automated deployment pipelines that support this modernization effort. You will work with modern cloud-native technologies while helping ensure existing mission-critical applications remain operational throughout the transition.

This is an opportunity to contribute to a high-impact federal modernization initiative using AWS Gov Cloud, Kubernetes, infrastructure as code, and secure CI/CD practices.

Cloud Infrastructure & Platform Engineering Build, configure, and maintain infrastructure as code using Open Tofu and Helm within Kubernetes environments hosted on AWS Gov Cloud.

Support the development and operation of a secure, scalable, and reliable application platform.

Maintain consistency across environments by promoting the same code through established deployment processes.

Dev Sec Ops  & CI/CD Automation Design, build, and maintain CI/CD pipelines within the customer's Git Lab 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.

Platform Operations & Observability 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.

Requirements6+ years of experience in Dev Ops, Dev Sec Ops , or platform engineering.

Hands-on experience with Kubernetes and containerized application environments.

Experience with infrastructure as code using Terraform or Open Tofu.

Experience using Helm for Kubernetes application deployment and management.

Experience developing and maintaining CI/CD pipelines using Git Lab CI.Knowledge of container hardening and secure deployment practices.

Experience working with AWS Gov Cloud.

Preferred Qualifications

Experience with Envoy for gateway or proxy functionality.

Familiarity with Open Telemetry for application and infrastructure observability.

Experience working with Iron Bank container images.

Active Secret security clearance.

Ability to meet Tier 5 eligibility requirements if privileged administration is required.

Work Location and Schedule

Location:

Hybrid. Work may be performed from CS headquarters in Reston, Virginia, and approved remote locations within the United States, with on-site work at Government facilities in Northern Virginia and Maryland as required. Government-furnished equipment will be used for all access to Government environments.

Schedule:

Full-time, 40 hours per week, Monday through Friday, with core hours of 9:00 a.m. to 3:00 p.m. Eastern. The team operates in two-week sprints, with a customer demonstration each sprint.

Travel: 0–10%, within the Washington, DC metropolitan area.

Security Requirement: U.S. citizenship required. Must be eligible to obtain and maintain a DoD security clearance. An active Secret clearance or higher is strongly preferred and may…