Bachelor's degree with 12+ years of experience in network engineering, or an Associate's degree with 14+ years of relevant experience, or a High School diploma with 16 years of experience
An active and current DoD IAT Level II baseline certification (e.g., Security+ CE), or the ability to obtain one within 6 months of hire
Working knowledge of TCP/IP networking, packet capture and analysis (Wireshark/Zeek), SIEM platforms, firewall and segmentation design, and common vulnerability assessment workflows
Master's and 10+ years of experience, or PhD and 8+ years of experience highly desired
Project Management Professional (PMP), or Cisco Certified Network Associate (CCNA)Additional value for GICSP, GRID, CISSP, or equivalent OT/ICS-focused credentials
Hands-on work with industrial control systems, SCADA, or shipboard control systems; familiarity with OT protocols such as Modbus, DNP3, IEC 61850, or Ethernet/IP
Experience with passive OT monitoring platforms (e.g., Claroty, Dragos, Nozomi Networks, or equivalent) and integration with enterprise SIEMs
Experience supporting Navy shipboard, afloat, or deployed environments, including availabilities, sea trials, or underway testing
Familiarity with NIST SP 800-82, IEC 62443, RMF (NIST SP 800-37), and DoD cybersecurity policy
Proficiency in Python, PowerShell, or Bash for data processing, metrics generation, and light tool development
Clearance Requirements:
Must have a current and active Secret security clearance with ability to obtain a Top Secret clearance.
Physical Requirements:
MANTECH considers all qualified applicants for employment without regard
Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!
MANTECH seeks a motivated, career and customer-oriented Network Engineer to join our team in Philadelphia, PA . This position is hybrid with 3 day s onsite.
The Network Engineer will support Department of Defense (DoD) mission systems. This role leads the technical management of third party developed cybersecurity tools, coordinates shipboard installation and testing activities, and produces data-driven metrics that inform engineering priorities and leadership decisions.
Additional Information
General information
Requisition #
R68544
Locations
USA-Remote Work, USA-PA-Philadelphia
Posting Date
06/10/2026
Security Clearance Required
Secret
Remote Type
Hybrid
Time Type
Full time
Description & Requirements
Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!
MANTECH seeks a motivated, career and customer-oriented Network Engineer to join our team in Philadelphia, PA . This position is hybrid with 3 day s onsite.
The Network Engineer will support Department of Defense (DoD) mission systems. This role leads the technical management of third party developed cybersecurity tools, coordinates shipboard installation and testing activities, and produces data-driven metrics that inform engineering priorities and leadership decisions.
Responsibilities include but are not limited to:
OT Network Enumeration & Protection including passive network discovery, asset inventory management, threat detection & monitoring, and vulnerability management
Third-Party tool management to include vendor coordination, tool integration, and acceptance testing
Shipboard Installation & Testing which includes installation planning, site surveys & commissioning, and operational validation
Metrics, Reporting & Stakeholder Communication requiring weekly & monthly metrics, data-driven recommendations, cross-team collaboration and documentation
Produce clear written reports and brief technical and non-technical stakeholders, including government leadership
Mantech · US