General information
Requisition #
R68530
Locations
USA-VA-Virginia Beach
Posting Date
06/10/2026
Security Clearance Required
TS/SCI
Remote Type
Onsite
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 Firewall Engineer to join our team in Virginia Beach, VA. This position is onsite.
Responsibilities include but are not limited to:
Reports directly to the Project Manager and supports execution in a matrix organization.
Responsible for planning and executing the installation of new capabilities, as well as operating, maintaining, and troubleshooting network connectivity and infrastructure on enterprise managed networks across classification levels.
Responsible for hardware installation, management, and patching, including routers, switches, and firewalls, and managing the flow and safekeeping of data to maintain network efficiency and security.
Configures and deploys new Firepower Threat Defense (FTD) devices and integrates them with the Firewall Management Center (FMC).
Edits and enforces policies, to include access control rules, intrusion prevention system (IPS) and file/malware policies.
Diagnoses and resolves complex issues related to FTD and FMC, maintaining network efficiency and security.
Support a team environment based on mutual respect and teamwork, dedicated to innovation and effective, efficient work practices.
Minimum Qualifications:
Masters degree and 3+ years of relevant network experience, or a Bachelors degree and 5+ years of relevant network experience, or a High School Diploma and 9+ years of relevant network experience in lieu of a Masters degree
Experience in systems administration with proficiency in both Linux and Windows environments
VMware, Windows, or Linux Operating System (OS) certification, or ability to obtain within 6 months of hire
IAT-II level at a minimum in accordance with SECNAV M-5239.2 and DoD 8140/8570. (ex. CompTia Sec+)
Strong analytical skills and attention to detail
Preferred Qualifications:
Familiarity with the United States Navy preferred
Extensive experience and judgment to plan and accomplish goals and independently performs a wide variety of complicated tasks
Strong technical, interpersonal, written, and verbal skills
Clearance Requirements:
Physical Requirements:
Up to 25% travel anticipated.
Work will require movement from Government site to/from MANTECH site for client meetings and support functions.
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 or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which involve delivering presentations.
MANTECH 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 careers@mantech.com and provide your name and contact information.