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F5 Systems Engineer TS​/SCI w​/Polygraph

Job in Sterling, Loudoun County, Virginia, 22170, USA
Listing for: General Dynamics Information Technology
Full Time position
Listed on 2026-06-17
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity, Cloud Computing: Infrastructure & Operations, Network Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 130000 USD Yearly USD 100000.00 130000.00 YEAR
Job Description & How to Apply Below

Responsibilities

  • Manages the configuration on multiple physical and virtual F5 across multiple data centers
  • Participates in the development and support of customer technical requirements
  • Plans, designs, develops, implements, and operates F5 products such as LTM, ASM, BIG-IQ, and APM
  • Provides clear technical documentation and written procedures for issues identified and addressed
  • Proposes and implements system enhancements that improve the performance and reliability of the network security infrastructure
  • Monitors and troubleshoots platform and OS based problems: network security infrastructure, and connectivity issues
  • Performs launch testing for new software releases and the introduction of new features
  • Collaborates with different technology towers to achieve common goals
  • Applies capacity planning configuration changes as needed
  • Addresses performance, scalability, and service architecture administration issues
  • Coordinates equipment orders including physical or virtual appliances, as well as upgrading, monitoring, testing, and servicing the systems as needed
Qualifications
  • Active TS/SCI clearance with CI polygraph
  • Education:

    Bachelor of Science Degree, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.
  • Must have the F5 201 certification or obtain the certification within 3 months of hire date
  • Must meet DoD 8570 IAT Level II requirements including one of the following:
    Security+ CE, CND, SSCP, GSEC, GICSP, CySA+, or CCNA Security.
  • 7+ years of relevant F5 experience with F5 LTM, ASM, BIG-IQ, and/or APM administration and life cycle management including experience with advanced iRule creation and troubleshooting
  • Demonstrates knowledge of a broad range of technology towers i.e.:
    Storage, Virtualization, Intel, Networking, Data Center Migration and Disaster Recovery
  • Experience deploying, managing, and troubleshooting network systems, switching, and routing protocol standards such as: TCP/IP, MPLS, OSPF, BGP, SDN, and 802.1x.
  • Experience managing and troubleshooting DNS, DHCP, IPAM, and NTP in a large multi-site environment
  • Knowledge of risk and controls landscape, ensuring company-wide standards are met
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