USA, VIRGINIA, Stafford Full-Time
Security Clearance: TS/SCI
Become an integral part of a diverse team that leads the world in the Mission, Cyber, and Intelligence Solutions group. At ManTech International Corporation, you will help protect our national security while working on innovative projects that offer opportunities for advancement. Currently, ManTech is seeking a motivated, career and customer oriented Senior Network Engineer to join our team in the Stafford, VA area to provide unparalleled support to our customer and to begin an exciting and rewarding career within ManTech. Responsibilities include, but are not limited to: Interface with customers to collect and clarify requirements Manage network communications testing, installation, and support, including LAN/MAN/WAN system Mentor and provide guidance to other networking team members 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 Evaluates, designs, documents, installs, implements, tests, performs problem isolation and resolution, monitors, tunes, and sets standards. Maintain a complex range of computer network components and systems. Provides client consulting and training on the interfacing and use of the network facilities. Plans and coordinates major computer network initiatives. Researches, evaluates, and recommends new computer network equipment and technologies. Utilizes monitoring, performance analysis, network management, software and hardware equipment to trouble shoot and isolate problems, gauge network performance, and trace data and protocol activity. Devises solutions to complex operational problems within the capacity and operational limitations of installed equipment. Develops and executes contingency plans for network software and hardware failures including isolated and major outages. Provides internal consulting, technical guidance, information and support to application developers, computer operations, workstation support, company management and departmental clients. Assists in internal training programs. Position Requirements: Requires Bachelor’s degree (in Computer Science, Engineering, or related technical field), and ten to twelve years of related experience or equivalent. Cisco CCNP (R&S or Data Center) certification Experience with MS Office products, including Word, Excel, PowerPoint, Outlook, Visio Experience architecting, designing, implementing, and maintaining complex network infrastructures Other Skills Preferred: Cisco CCIE (R&S or Data Center) certification 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 and experience with Layer 2 Technologies: STP, VLANs, PVLANs Knowledge of and experience with Layer 3 Technologies: Routing protocols (EIGRP, ISIS, OSPF, RIPv2, BGP) Knowledge of and experience with First Hop Redundancy Protocols (FHRP): HSRP, VRRP, and GLBP Knowledge of and experience with VPN technologies: MPLS (Layer 2 & 3), GRE, IPSEC Knowledge of and experience with 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 and experience with Storage technologies and capabilities: FC, FCoE, VSANs, WWNN, WWPN Security Requirements: Active DoD Top Secret SCI clearance
See Qualifications / Requires Bachelor's degree or equivalent and seven to nine years of related experience. Minimum of three years experience in technology/tools specific to the target platforms.
For more than 40 years, ManTech employees have been solving complex problems for the national security community. We are comprised of approximately 10,000 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 continues to expand and diversify, 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.