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Systems Engineer (TS/SCI w/ Poly)

Sixgeninc

Columbia, MD (Customer Site) Remote permanent

Posted: February 18, 2026

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Quick Summary

Systems Engineer (TS/SCI w/ Poly) at SIXGEN in Columbia, MD

Job Description

Job Type: Systems Engineer (US CITIZEN ONLY)

Location: Columbia , MD

Clearance Requirements: TS/SCI & Poly

Years of Experience: 15+

Work site requirement: 5 days a week in office

Working with SIXGEN

SIXGEN is committed to solving our customers’ hardest problems with eagerness, effectiveness, and efficiency. We reject the status quo and constantly look for new ways to push the boundaries of our field. SIXGEN is a small company that works with the big picture in mind, taking on projects with real significance that grow our capacity to tackle even more fascinating development problems. We’ve earned a reputation for efficiency, effectiveness, and impact since our founding.

SIXGEN recognizes that a company is nothing without well-cared for employees. We cultivate an encouraging and innovative workplace environment and give employees flexibility to work on their own terms. SIXGEN offers industry-leading benefits, including

• Employer-funded health, dental, vision, and life insurance

• Flexible leave policy (Need Vacation - Take It!)

• Flexible hours and opportunities to work from home

• 4% 401(k) contribution, vested immediately

• Reimbursements for training events, gym memberships, cell phone and internet bills, and lunches with coworkers

Why You Matter

At SIXGEN, you’ll provide meaningful support to our federal customers. Your commitment to our customer’s missions, curiosity, and attention to detail will make you a valuable addition to the SIXGEN team.

SIXGEN is looking for a Systems Engineer with a diverse set of skills and technical knowledge with the ability to respond and adapt to unique requirements. Our selected candidate will be engineering projects that will develop and implement next-generation IT tools, systems, and capabilities to help revolutionize the cyber battlefield and ensure the superiority of our cyber forces over our adversaries. As well as coordinating with external entities, working with our administrators and engineers to ensure ample support, working with developers to build and modify the required software, supporting testers to ensure the mission effect is achieved, and utilizing their technical expertise throughout the entire process to ensure everything is accomplished in a sound and secure manner.

Position Overview: The candidate will assume end-to-end responsibility for applied research and cyber capability development projects, ensuring successful execution from concept through implementation

• Evaluate, develop, and deliver technical input to the systems engineering process

• Develop technical documentation, system architecture, and system design documentation

• Interact with the Government regarding Systems Engineering technical considerations and for associated problems, issues, or conflicts

• Communicate with other program personnel, Government overseers, and senior executives

• Guide system development and implementation planning through assessment or preparation of system engineering management plans and system integration and test plans

• Provide engineering guidance to technical staff and establishes effective working relationships with other Government agencies and mission partners

• Deliver briefings on complex topics to groups, which may include high-level decision makers

• Work complex research projects as senior contributors and as part of an integrated research team

Required qualifications:

• Minimum of Bachelor’s Degree in System Engineering or related discipline (Four years of relevant experience may be substituted for a bachelor’s degree)

• Active CISSP, CASP+CE, CSSLP certification (minimum DoD 8570 IASAE Level II Certification)

Desired Skills:

• Exposure to Cloud/AWS

• An engineering-driven problem solver who can step into a project, quickly assess the situation, and design practical, effective solutions

• Knowledge of DoD Architecture Framework (DODAF)

• Able to build systems from the ground up – network architecture/systems engineering

Salary Band; $201,000 - $240,000

At SIXGEN, we embrace people of all backgrounds. We are an equal opportunity employer.

SIXGEN does not discriminate in employment, services, and activities on the basis of race, color, religion, national origin, sex, gender identity, sexual orientation, pregnancy, childbirth or related medical conditions, age, marital status, veteran status, disability, or any other basis prohibited by law

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