F5 Systems Engineer - TS/SCI with Polygraph

Clearance Level
Top Secret/SCI
Systems Engineering
Annapolis Junction, Maryland
Colorado Springs, Colorado

REQ#: RQ92737

Travel Required: Less than 10%
Requisition Type: Regular
  • Pursuant to a customer requirement, this position is contingent on providing proof of COVID-19 vaccination or submitting to regular COVID-19 testing at your own expense.

  • Must be able to meet customer facility COVID requirements

Job Description Summary:

  • Participate in the development and support of customer technical requirements

  • Champion a collaborative, team-based environment, sharing standard methodologies and success and building positive relationships

  • Plan, Design, Develop, Implement and Operate F5 products such as LTM, ASM, BIG-IQ and APM

  • Manage the configuration on multiple physical and virtual F5 across multiple data centers

  • Develop scripts and tools to automate configuration of a large number network security devices distributed across multiple data centers

  • Propose and implement system enhancements that will improve the performance and reliability of the network security infrastructure

  • Applies capacity planning configuration changes as demanded by the business

  • Address performance, scalability and service architecture administration issues

  • Design, install, configure, maintain network security services, equipment and devices

  • Plan and support network security infrastructure

  • Provide clear technical documentation and written procedures for issues identified and addressed

  • Monitoring and troubleshooting of platform and OS based problems, network security infrastructure and connectivity issues

  • Perform launch testing for new software releases and the introduction of new features

  • Coordinate equipment orders including physical or virtual appliances, as well as upgrading, monitoring, testing and servicing the systems as needed

  • Demonstrates knowledge of a broad range of technology towers i.e.: Storage, Virtualization, Intel, Networking, Data Center Migration and Disaster Recovery

  • Knowledge of risk and controls landscape, ensuring company-wide standards are met

  • Participate in change and incident management

  • Anticipating potential problems and acting to minimize the impact they may have on the project or unit

  • Ability to collaborate with different technology towers to achieve common goals

  • Provide on-call support outside business hours

Required Skills/Qualifications/Certifications:

  • Bachelor’s degree in computer science, information systems, telecommunications, or an engineering focused field

  • 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

  • Ability to handle multiple complex F5 configurations and deployments at once

  • Understanding of networking at all layers of the OSI model; and Previous experience with web application technologies

  • 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

  • Ability to manage multiple stands of work simultaneously.

  • Executes within a customer-centric environment.

  • Excellent verbal and written communication skill Hands on experience with Python and APIs

  • Self-driven with the ability to manage workload without direct supervision

Preferred Skills/Qualifications:

  • Experience with Infoblox DDI, Microsoft DNS, Dyn, VMWare Automation products (vRO, vRA)

Education and Experience Requirement:

  • High School Diploma + 14 years of relevant experience

  • Associate’s Degree + 12 years of relevant experience

  • Bachelor’s Degree + 10 years of relevant experience

  • Master’s Degree + 8 years of relevant experience

  • PhD + 6 years of relevant experience

  • Must have the F5 201 certification or obtain the certification within 3 months of hire date.

  • 8570 IAT Level II Certification required

Security Clearance:

  • Active TS/SCI clearance and ability to obtain and maintain a CI polygraph


This position requires being fully vaccinated against COVID-19 by December 8, 2021 or the start date, if after December 8.

The likely salary range for this position is $104,000 - $156,000, this is not, however, a guarantee of compensation or salary; rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

View information about benefits and our total rewards program.

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.