• Senior Network Engineer

    Job Locations US-VA-Chantilly
    Job ID
    Information Technology
  • Overview

    By submitting your resume for this position, you understand and agree that ASEC may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.
    ASEC is an Equal Opportunity/Affirmative Action Employer.

    We consider applicants without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, or membership in any other group protected by federal, state or local law. Equal Opportunity Employer Minorities/Women/Vets/Disabled.

    Candidates must already possess a current and active TS/SCI with Poly clearance to be considered for this position


    The Sr. Network Engineer position is in direct support of enterprise Operations and Maintenance (O&M team responsible for a very large and complex network infrastructure. The position requires a wide and deep level of up-to-date knowledge in network engineering, with the ability to complete very difficult and complex assignments.

    The successful candidate will be expected to help bridge the gap between Engineering and O&M, transitioning Tier 2 support for new systems from Engineering to O&M. The successful candidate will be expected to develop, refine and document repeatable processes as well as formulate a plan for bringing a large scale network into security compliance. The position also involves working with other Network Engineers to design, install, configure, and support an organization’s complex wide area network (WAN) and maintain network hardware and software. The position includes monitoring the network at a service assurance level to ensure network availability to all system users and performing necessary maintenance to support network availability


    Typical responsibilities include:
    • Maintain the network hardware and software and monitor the network to ensure network availability to all system users;
    • Perform the necessary maintenance to support network availability
    • Perform installations, upgrades, support and problem resolution for mainly Linux based operating systems.



    • Bachelor’s degree in Computer Science, Network or Systems Engineering, Information Systems or extensive and proven experience in network engineering positions;
    • 8+ years of Network Engineering experience with increasingly complex responsibilities during the time period;
    • 1+ year of Juniper experience; 
    • 2+ years of experience establishing and troubleshooting VPNs; 
    • Knowledge and experience with policy-based routing; 
    • 2+ years of VMWare experience; demonstrated experience working with IPv4 networks; 
    • 2+ years of experience coding in scripting languages (Bash, Python, and/or PowerShell); 
    • Thorough working knowledge of Wide Area Network (WAN) and Local Area Network (LAN) concepts;
    • At least 8 years of experience in a distributed network environment;
    • Experience with networking protocols and technologies such as TCP/IP, OSPF, QoS, VPN, IPSLA, Trunking, Spanning tree, Layer 3 switching, etc.;
    • Strong understanding of virtual routing technologies;
    • Knowledge and interest in cutting edge network technologies;
    • Demonstrated experience with the operation of Cisco network switches, routers, IOS commands, Juniper firewalls, etc.
    • Cisco CCNA/CCNP certification;
    • Ability to understand, recommend, design, and implement LAN/WAN functionality such as switches, routers, virtual routers, gateways, firewalls, load balancers, proxy servers, etc.


    • Experience with Cisco Nexus 5000/2000 series hardware;
    • Experience with Juniper SRX series hardware;
    • Experience with IPS/IDS systems to include network impacts;
    • Ability to lead technical teams to success;
    • JNCIA or JNCIP certification is desired.


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