Full-Stack Software Engineer - TS/SCI Required

Company: Phoenix Operations Group
Location: Saint Louis
Posted on: April 1, 2026

Job Description:

Full-time Description TS/SCI Clearance Required Phoenix Operations Group is looking for a Full-Stack Software Engineer to join our team in one of the following geographical locations: Springfield, VA, St. Louis, MO, San Diego, CA. This position will be onsite up to 75% of the time. We are in need of team players who will work within a cohesive group to provide unique technical solutions, enabling one's creativity to be set free. Basic Qualifications Experience with testing software changes on-site and assisting with bug remediation Java, C, C#, C++, or other comparable languages Experience on projects that develop complex software, ensuring a collaborative environment and configuration management. Experience implementing software life cycle management (requirements, design, develop, test, validate, deploy). Lead a team to design, develop, and test application software to fulfill unique requirements on Linux and build graphical user interfaces (GUIs) for custom applications. Respond to evolving requirements in an agile environment. Clearance Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance required; must be willing to pursue polygraph Education Bachelor’s Degree in relevant discipline Benefits Offered: Medical, Dental, Vision Insurance - 100% Company Paid Premiums STD, LTD, and Life Insurance - 100% Company paid 401K – Automatic 10% company contribution; no matching required PTO - 4 weeks/year Holidays - 11 paid/year Birthdays off with pay Referral Bonuses – Upfront AND Annually Recurring Open Source Bonuses – Contribute to our Github projects Professional Development – Paid training, Certifications, and Enrichment ABOUT PHOENIX OPERATIONS GROUP: Phoenix Operations Group is a high-end engineering services company dedicated to protecting and advancing our national cyber resources. As a small company, we rely on innovation to continually advance our employees' skills and provide game-changing solutions to our customers. Our technical competencies include Big Data analytics (batch and streaming), Cloud Computing infrastructure, multi-INT visualization, and enterprise architectures. We support operational missions (All-Source, Financial, CND) and serve as Product Owners for our open-source research initiatives. Please visit us at http://www.phoenix-opsgroup.com for more information. Phoenix Operations Group is an Equal Opportunity Employer. Phoenix Operations Group does not discriminate based on race, religion, color, sex, gender, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status, or any other basis covered by appropriate law. All employment is decided based on qualifications, merit, and business needs.

Keywords: Phoenix Operations Group, Saint Peters , Full-Stack Software Engineer - TS/SCI Required, IT / Software / Systems , Saint Louis, Missouri