Principal Cyber Support Developer

ManTech; Chantilly (VA); On-site; USD 140,000 - 170,000; Full time

Job summary

MANTECH in Chantilly, VA seeks a Principal Cyber Support Developer to lead cyber security engineering efforts and protect mission-critical systems. You will implement CDS technologies, build scalable Linux-based solutions, and collaborate with customers across CONUS/OCONUS; active TS/SCI with polygraph is required.

Roles involve leading technical operations, safeguarding enterprise systems, and traveling to customer sites as needed.

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 or obtain within 30 days.

Responsibilities

• Utilize Linux and scripting to support and deploy Enterprise Cross Domain Solutions.
• Engineer and deploy capabilities to improve performance and availability.
• Support Assessment and Authorization activities related to CDS technologies.
• Identify conflicts with CDS implementations and develop remediation recommendations.
• Contribute to milestones to meet customer requirements.
• Develop plans to safeguard computer files against unauthorized modification, destruction, or disclosure.
• Travel up to 25% to CONUS and OCONUS locations as required.

Skills

Linux systems administration

Scripting

Lua scripting

Networking concepts

IAT Level II certification

Education

Bachelor’s Degree or equivalent

Job description

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.

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.