Senior Network and Systems Administrator

MANTECH seeks a career and customer-oriented Senior Code Plug Template Creator to join our team in Alexandria, VA, Philadelphia, PA, or Chandler, AZ. This is a hybrid position with 3 days onsite and 2 days remote per week.

In this role, you will play a critical part in supporting vital tactical communications, ensuring our mission-critical systems are perfectly configured, secure, and resilient.

• Collect and Analyze Data:
  Proactively gather and synthesize complex technical information to lay the groundwork for reliable tactical network operations
• Develop Codeplug Templates:
  Systematically collect operational information and draft master radio codeplugs and templates for stakeholder review, ensuring equipment operates at peak, unified performance
• Modernization Integration:
  Align codeplug architecture with the transition from traditional Land Mobile Radio (LMR) frequencies to IP/Cloud-based features inherent to the APX NEXT platform
• Collaborate Across Teams:
  Partner closely with TACCOM staff and regional TACCOM Program Managers to coordinate, vet requirements, and seamlessly implement changes to codeplugs
• Process Standardization:
  Proactively draft and refine new standard operating processes and procedures to govern codeplug generation and fleet mapping across the tactical operational enterprise
• Maintain Compliance:
  Strictly adhere to agency common practices and standard operating procedures to uphold high security and operational benchmarks
• Optimize Operations:
  Draft comprehensive processes, procedures, and documentation to continually improve workflow efficiency and system reliability

• Bachelor’s degree in Information Technology, Computer Science, Network/Telecommunications Engineering or a related field AND 9+ years of experience, OR Doctorate and 5+ years of experience, OR Master's and 7+ years of experience, OR Associate and 11+ years of experience, OR High School diploma/GED and 13+ years of experience
• Demonstrated experience with fleet mapping and frequency provisioning
• Demonstrated experience creating and managing complex subscriber codeplug architectures for enterprise-level public safety communications
• Hands‑on proficiency with radio programming software and fleet management systems such as Motorola Radio Management or Customer Programming Software

• Active Motorola certifications (e.g., APX infrastructure or CPS proficiencies) or Certified Telecom Network Specialist (CTNS) designation
• Prior experience supporting federal or highly regulated environments
• Familiarity with RF coverage tools such as ATDI or EDX Signal Pro
• Experience implementing federal cybersecurity configurations, encryption key management (OTAR/KVL), and system hardening within tactical device configurations

• Must be a U.S. citizen with the ability to obtain and maintain agency suitability prior to starting this position
• Position may require the ability to obtain and maintain a Secret clearance

• The person in this position must be able to remain in a stationary position 50% of the time
• Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co‑workers, management, and customers via email, phone, and/or virtual communication, which may involve delivering presentations

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.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at  and provide your name and contact information.