MANTECH seeks a motivated, career and customer-oriented Principal Cyber Support Developer to join our team in Chantilly, VA.

In this role you will play a vital role in leading technical operations, executing cyber security engineering solutions, and safeguarding mission-critical enterprise systems.

Responsibilities include, but are not limited to:

• Utilize Linux and scripting experience to support and deploy Enterprise Cross Domain Solutions, enabling secure data transfers.
• Engineer and deploy capabilities to provide new functionality, improve system performance/availability, and generate efficiencies in operational environment maintenance.
• Support Assessment and Authorization activities related to CDS technologies. 
• Identify potential conflicts with implementation of CDS technologies within the enterprise and develop recommendations to remediate these conflicts. 
• Contribute to the completion of milestones associated with specific projects to meet customer requirements. 
• Develop plans to safeguard computer files against unauthorized modification, destruction, or disclosure. 
• Travel up to 25% of the year to CONUS and OCONUS customer locations as required.

Minimum Qualifications:

• Bachelor’s Degree or 4+ years of additional experience in lieu of degree.
• 7+ years of experience in systems engineering, cybersecurity operations, or software development.
• Proficient in Linux systems administration and scripting.
• Demonstrated experience developing and maintaining Lua (LUA) scripts.
• Experience in networking concepts, including TCP/IP, firewalls, and routers.
• Must hold an active IAT Level II certification (e.g., GSEC, Security+, SSCP; CISSP preferred) or have the ability to obtain it within 30 days of hire.

Preferred Qualifications:

• Knowledge of cybersecurity architectural principles such as defense in depth, resilience, and integrated security operations.
• Experience designing, implementing, and managing database schemas.
• Experience applying schema security-hardening practices, including access controls, input validation, least-privilege permissions, secure configuration, and vulnerability mitigation.
• Solid understanding of COTS CDS technologies on the NCDSMO approved product list.
• Ability to apply security principles to systems and enterprise system designs.
• Understanding of fundamental cloud computing and virtualized networked environments.
• Experience with Information Assurance concepts and processes to prepare documentation for Assessment and Authorization activities.

Clearance Requirements:

• Must possess an active TS/SCI with polygraph.

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time.
• Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.
• The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.