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Expect deep system-design and security trade-off questions, plus stories of mentoring and owning complex delivery. Practice describing classified-adjacent work at a high level without exposing restricted details.
Strong match if you hold or can maintain TS/SCI, want principal ownership of software systems, and can work on site with Stratagem Group in King of Prussia.
As a Principal Software Engineer at Stratagem Group with TS/SCI, a typical day centers on leading architecture and delivery for secure systems, unblocking engineers, and aligning with cleared stakeholders—on site in King of Prussia rather than remote.
Principal-level software design, secure coding, and technical leadership are core. This listing requires TS/SCI. No certification family or priced cert resources were supplied for this role.
No. The listing is on site in King of Prussia, Montgomery County, Pennsylvania.
The title calls for TS/SCI; expect sponsorship or an existing clearance to be essential.
Senior technical leadership—architecture, quality bars, and mentoring—beyond individual feature work.
Principal Software Engineer (TS/SCI) - Stratagem Group - King of Prussia, Montgomery County Position Summary The Principal Software Engineer at Stratagem Group will be a key contributor to ARKA Group L.P., an advanced technologies company serving the U.S. military, intelligence community, and commercial space industry. This role involves developing next-generation solutions for national security space enterprise challenges. Core Duties Design and develop complex software systems that support national security objectives. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the highest standards of quality and reliability in all developed solutions. Stay up-to-date with emerging technologies and trends within the field of software engineering. What We're Looking For Minimum 8 years of experience as a Principal Software Engineer or equivalent role. Top Secret/SCI clearance required. Expertise in software development methodologies and best practices. Proficiency in multiple programming languages, including Python, Java, C++, etc. Experience with cloud-based solutions such as AWS, Azure, or GCP is a plus. Working at Stratagem Group Stratagem Group offers a dynamic and innovative work environment where professionals can contribute to cutting-edge projects. The company fosters a culture of innovation and continuous learning, providing opportunities for professional growth and development. Join us in making a significant impact on national security. Apply Today To apply, complete your application directly on this page, or you'll be redirected to the employer's application platform to finish submitting there. Please ensure all required documents are attached before submission.
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