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NetSage

Cyber Software Engineer-Principal

Annapolis Junction, Maryland, United States
Level
Principal

Not stated in the posting: salary, work type, visa.

Open. First seen 3 October 2026.

Apply on netsage.com →

About the role

At NetSage, we are more than a government contractor—we are a mission-focused partner dedicated to advancing national security through exceptional cyber expertise. We believe our success begins with our people, which is why we invest in and care for our employees. We know that employee retention is mission continuity, and we are committed to building long-term careers where our people can grow alongside our customers' evolving missions.

Our employees enjoy meaningful work, competitive compensation, outstanding benefits, and opportunities to expand their skills across multiple mission areas. To learn more about our comprehensive benefits and what it's like to build your career at NetSage, visit our Careers page.

NetSage's standard text

Due to the sensitive nature of the work we support, some job descriptions intentionally provide a high-level overview of the role. If you'd like to learn more about a particular opportunity, we encourage you to apply directly or connect with us through our Get In Touch page. We'd be happy to discuss how your experience aligns with our mission and explore where you can make an impact.

Job Description:

We are seeking a Principal Cyber Software Engineer to support an advanced analytics mission designing and developing innovative software solutions that address complex mission challenges. In this role, you will collaborate closely with mission stakeholders to analyze requirements, architect scalable solutions, and deliver high-performance applications supporting advanced analytics and cybersecurity objectives. The ideal candidate for this role will enjoy working close to the operating system and be well-versed in low-level programming languages.

NetSage's standard text

Please consider applying if you meet the following qualifications.

Required Qualifications:

  • TS/SCI with polygraph security clearance.
  • A Bachelor of Science (B.S.) degree in Computer Science or a related field and eleven (11) years of relevant experience. Also acceptable are a Doctoral degree (PH.D.) and seven (7) years, a Master of Science (M.S.) degree and nine (9) years, or an Associate of Science (A.S.) degree and thirteen (13) years of relevant experience.
  • Strong proficiency with object-oriented languages like Python and the ability to read and understand C/C++ and x86 Assembly.
  • Experience working with operating system internals, including memory management, file I/O, and system APIs.
  • Experience with software architecture and technical design.
  • Experience with executable program analysis, debugging, and low-level software development.

Desired Qualifications:

  • Experience with malware analysis and reverse engineering.
  • Familiarity with protocol analysis and network communications.

What this role asks for

Standard for security roles

Cybersecurity · Python

Common in security postings at any company.

80% of this description is written for the role. The rest is NetSage's standard text, folded away below.

Read against NetSage's other open postings on this site.

The team: Development HIRES STEADILY

This role is one of 16 open in Development. 2 were posted in the last 30 days and the oldest in April: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Python (14 of 16), Kubernetes (8 of 16), Docker (7 of 16), Java (7 of 16), LLM (5 of 16), Machine Learning (5 of 16), Spark (5 of 16)

OTHER ROLES ON THIS TEAM

From the team and dates on NetSage's own job board.

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