Senior Cybersecurity Engineer (CSfC Specialist)

• Designs and implements secure communication solutions using layered commercial technologies that comply with NSA's CSfC program requirements.
• Develops DAR and DiT architectures aligned with CSfC capability packages, ensuring multi-layer encryption and high assurance protection.
• Builds and maintains compliant CSfC solutions for mobility, network enclaves, remote access, and cross-domain communication.
• Produces engineering documentation, including system designs, configuration baselines, and security artifacts required for accreditation.
• Conducts risk assessments, evaluates system vulnerabilities, and strengthens the security posture of classified communication systems.
• Supports troubleshooting and incident response in high-pressure, mission-critical environments.
• Collaborates with network, mobility, and infrastructure teams to ensure end-to-end secure system performance.

• 7+ years of cybersecurity experience, including at least 3 years of direct, hands-on work with CSfC capability packages.
• Strong expertise in designing and implementing DAR and DiT solutions using commercial encryption technologies.
• Deep understanding of NSA CSfC Capability Packages, high assurance architectures, and secure mobility frameworks.
• A bachelor's degree in Cybersecurity, Computer Science, or a related technical field is preferred.
• Familiarity with federal cybersecurity standards, risk management frameworks, and classified system operations.
• Ability to operate effectively in secure, fast-paced, and high-visibility environments.

WORK ENVIRONMENT

This role typically supports sensitive government operations requiring strict adherence to security protocols, rapid problem-solving, and the ability to maintain secure communications under demanding conditions. Engineers must be comfortable working in controlled environments and collaborating with multidisciplinary teams responsible for mission-critical systems.

System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan., System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.