Software Engineer - TS​/SCI Security Clearance

Position: Software Engineer - TS/SCI required with Security Clearance
ARS is seeking an experienced Software Developer to support a classified secure cloud platform delivery effort for a U.S. Navy customer. This role is focused on developing platform-integrated tooling, automation, and user-facing capabilities across multiple classification tiers, enabling mission teams to onboard and operate effectively within Government-furnished cloud enclaves. This is a hands-on development role requiring demonstrated experience in classified environments, the ability to operate independently from day one, and the discipline to produce thorough documentation in support of formal platform delivery.

An active TS/SCI clearance is required at time of hire. Why Work with us? Applied Research Solutions (ARS) is respected as a world-class provider of technically integrated solutions as we deliver premier talent and technology across our focused markets for unparalleled, continuous mission support.

Awarded a Best Places to Work nominee since 2020, ARS recognizes that without our career- driven, loyal professionals, we would not be able to deliver state-of-the-art results for our mission partners. We firmly believe that prioritizing our employees is of the upmost importance. We provide a culture where our employees are challenged to meet their career goals and aspirations, while still obtaining a work/life balance.

ARS employees are motivated through our industry competitive benefits package, our awards and recognition program, and personalized attention from ARS Senior Managers.

Responsibilities include:

Platform Development & Integration
* Design, develop, and maintain software components that integrate with and extend the secure cloud platform across IL5, IL6, and TS enclave tiers.

* Build automation tooling and scripted workflows supporting dynamic user provisioning, environment configuration, and platform onboarding.

* Develop and maintain APIs, interfaces, or internal portal capabilities that enable mission teams to interact with platform services.

* Implement software solutions in alignment with enclave-specific security requirements, approved software baselines, and applicable STIGs.

* Ensure all developed code is tested, documented, and delivered in accordance with classified environment standards and Government approval processes.

* Collaborate with Dev Ops and ISSE personnel to ensure software integrations are architecturally sound and security-compliant across all enclave boundaries.
Documentation & Delivery
* Produce engineering-quality development documentation including design specifications, integration guides, and delivery artifacts required for platform acceptance.

* Support formal delivery processes including configuration-controlled code submissions and handoff documentation across classification tiers.

* Coordinate with Dev Ops and ISSE team members on issue resolution, integration testing support, and cross-discipline knowledge transfer.

* Other duties as assigned. Qualifications/ Technical Experience Requirements:
* US citizenship required.

* Active Top Secret clearance with SCI eligibility is required at time of hire; interim clearances are not accepted.

* Active Security+ certification (DoD 8140 compliant).

* 5+ years of demonstrated hands-on software development experience in classified or similarly restrictive environments.

* Proficiency in one or more languages relevant to classified cloud platform environments, including Golang, Python, Bash, Power Shell, and/or JavaScript/Node.

* Experience developing automation, scripting, or tooling in support of infrastructure or platform delivery (not solely application development).

* Familiarity with containerization and orchestration technologies (Docker, Kubernetes, Podman, etc.) particularly in restricted or air-gapped environments.

* Experience working with relational databases (e.g. Postgre

SQL) in disconnected or controlled environments, including schema design, query optimization, and secure data handling.

* Familiarity with Salt/Salt Stack or equivalent configuration management frameworks is strongly preferred.

* Direct experience working in classified or air-gapped environments (SCIF access, air-gapped networks, offline…