F5 (Big-IP) Administrator, Senior in Sierra Vista, AZ at General Dynamics Information Technology

Date Posted: 8/15/2019

Job Snapshot

  • Employee Type:
  • Job Type:
  • Experience:
    5 to 8 years
  • Date Posted:
  • Job ID:

Job Description

Summary: The F5 Administrator is responsible for planning and implementing F5 BIG-IP LTM and APM within the Enterprise.

Job Duties:

  • Hardware and code upgrades according to F5 Recommendation
  • Updates patches and proactively monitors for any security vulnerability that may impact the F5 Appliance or the application.
  • Works closely with the Information Assurance (IT Security) team to make sure that the services running on the F5 BIG-IP platforms meet RMF security compliance.
  • Responsible for after hour support, when needed.
  • Participates in the identification, development and implementation of industry standards and security best practices.
  • Performs scopes of work as detailed in implementation plans assigned system builds, test plans, documentation, training, etc.
  • Responsible for planning, forecasting and implementation, and identification of resource requirements for Load Balancing services.
  • Works under general direction.
  • Responsible for evaluating current network systems.
  • Evaluates hardware and software, including peripheral, output, and related equipment.
  • Interfaces with vendors to ensure appropriate resolution during network outages or periods of reduced performance.
  • Develops and implements testing strategies and document results.
  • Troubleshoots and resolves complex problems.
  • Provides work leadership to less-experienced network personnel and may have supervisory responsibilities.
  • May serve as a technical team or task leader.
  • Maintains current knowledge of relevant hardware and software applications as assigned.
  • Participates in special projects as required.

Additional Duties:

  • Manages the F5 and network components of the GEFS3 system.
  • Configures Switches, routers, and crypto devices.

BA/BS or related experience. 



  • 5-8 years of directly related experience in network administration and support.
  • Security+ CE upon hire
  • Computing Environment certification such as F5 Certified Big-IP Administrator (F5-CA), or similar technology certifications within 6 months of hire.

For more than 50 years, General Dynamics Information Technology has served as a trusted provider of information technology, systems engineering, training and professional services to customers across federal, state, and local governments, and in the commercial sector. Over 40,000 GDIT professionals deliver enterprise solutions, manage mission-critical IT programs and provide mission support services worldwide. 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.