Network Engineer

General information

Requisition # R67129 Locations USA-MD-Laurel Posting Date 04/15/2026 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time

Description & Requirements

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Network Engineer to join our team in Laurel, MD.  You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions.

Responsibilities include but are not limited to:

• Responsible for supporting customer networks involving cross-domain solutions, including VPNs, one-way data transfers, unclassified mission related infrastructures, and Taclane 175 encryption devices.  Specific configurations include routing using MPLS/VPLS, OSPF, EIGRP at the Core and Distribution devices and switching at the Access devices.
• Responsible for performing planning, deployment and quality assurance functions for system and network upgrade projects. 
• Will develop high, mid and lower-level diagrams and schematics to document the system and network infrastructure for planning, historical and continuity purposes.
• Responsible for designing, installing, configuring, troubleshooting and maintaining a LAN/WAN equipment required to provide telecommunications services in a complex environment consisting of various Cisco network equipment to include Nexus and Catalyst model as well as Integrated Service Routers.
• Responsible for designing networks utilizing switching technology to include VLAN, Inter-VLAN routing, trunking, and port aggregation on the WAN/LAN environment.

 Minimum Qualifications:

• Bachelor’s degree with (12) years of relevant experience with technical discipline from an accredited college or university.
• Associates degree with (15) years of relevant experience or high school diploma with (20) years of relevant experience
• Significant experience provisioning and sustaining network infrastructures and have experience developing, operating, and managing networks required to operate in a secure PKI, IPSEC, or VPN enabled environment
• Significant experience with CISCO network equipment, i.e. 9300, 3850, 4900, ASR-2130, etc.
• Cisco Certified Network Associate (CCNA) certified at the Professional level in Network Security (CCSP), Network Design (CCDP), and/or Routing & Switching (CCNP)
• Able to understand routing protocols, QOS, be able to implement traffic shaping and policing on the network, and understand IPSEC tunneling
• Crypto experience