Network Engineer

ManTech (


  Full Time   Employee   Contractor

United States

Join the ManTech Mission, Cyber, and Intelligence Solutions Group and become an integral member of a diverse Cyber Range Services team. For more than 40 years, ManTech employees have been solving
complex national security problems. We are comprised of approximately 8,000 talented employees around the world. We adhere to the simple, no-nonsense values on which ManTech was founded more than
four decades ago, aligning squarely with the mission objectives of our customers. As our customer base expands and diversifies, we continue to diversify our workforce and solutions. Half our employees
have a military background, and more than 70 percent hold a government security clearance. As a leading provider of innovative technology services and solutions for the nation's defense, security, space,
and intelligence communities; we hold nearly 1,000 active contracts with more than 40 different government agencies.

· Interface with customers to collect and clarify requirements
· Manage network communications testing, installation, and support, including LAN/MAN/WAN systems
· Create and implement router and switch configurations
· Identify and diagnose problems affecting network performance using software and hardware tools
· Provide recommendations to enhance and improve network performance
· Troubleshoot network systems as needed
· Perform a broad spectrum of system engineering design, integration, and implementation tasks and activities, including personnel, hardware, software, budget, facilities, and/or equipment
· Interface with vendors to address problem escalation during outages or periods of degraded system performance
· Provide routing network facility test and analysis, including power, software, communications, machinery, lines, modems, and terminals
· Provide quality assurance review and evaluation of new and existing networking products

· BS degree
· Six to Eight years telecommunication and networking experience
· DoD Secret level clearance
· Ability to obtain a DoD TS/SCI clearance/access
· Cisco CCNA (R&S, Security, and/or Data Center) certification·
· Experience with MS Office products, including Word, Excel, PowerPoint, Outlook, Visio

· Experience with Routers:
• Cisco ASR, 2900, CSR1000v; Juniper MX-5; Brocade NetIron; VyOS/Vyatta and/or Quagga

· Experience with Switches:
• Cisco 6500, 4500, 3800, 3700, 3600, 3130; Juniper EX-4200; Brocade ICX; Dell 8024; VMware Standard and Distributed vSwitch

· Experience with Firewalls / Encryptors:
• Cisco ASA; Sourcefire; Imperva Secure Sphere; Palo ALto 5000; McAfee NGFW; Juniper SRX and SG; Fortinet FortiGate; PfSense; KG-175D

· Knowledge of Layer 2 Technologies:

· Knowledge of Layer 3 Technologies:
· • Routing protocols (EIGRP, ISIS, OSPF, RIPv2, BGP)

· Knowledge of First Hop Redundancy Protocols (FHRP):
· • HSRP, VRRP, and GLBP

· Knowledge of VPN technologies:
· • MPLS (Layer 2 & 3), GRE, IPSEC

· Knowledge Data Center technologies:
· • Fabricpath, VDC, vPC, OTV, vxLAN
· • Nexus 7k, 5k, 2k, 1000v; B22-Dell; Fabric interconnects (6200UP), MDS (9000), UCS B & C Series; VMware NSX

· Knowledge of Storage technologies:
• FC, FCoE, VSANs, WWNN, WWPN Advertisement

To apply for this job, contact:
Human Resources

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