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From the employer's careers site First seen 1 Nov 2026 · Still live on 7 Nov 2026

F5 Load Balance Network Engineer

Leidos senior full-time

Salary

$92,300 - $166,850 per year

Apply on Leidos

Description

Leidos is seeking a F5 Load Balance Network Engineer to support a large enterprise IT contract for the DOD.

This role is responsible for implementation, operations, and maintenance of load balancer technologies in a global enterprise across multiple networks. Duties include upgrading to new technologies, tuning performance, and implementation of critical system patches. This infrastructure may include on-premises and cloud resources. The individual will work in a team environment to ensure mission needs are met for internal and external customers.

Primary Tasks:

  • Ensure Secure Socket Layer/Transport Layer Security (SSL/TLS) offloading and brokering PKI authentication features provided by the F5 appliance is operational at all times.
  • Ensure load balancing configurations and PKI certificates are backed up in accordance with customer policies.
  • Alert load balancing and reverse proxy customers prior to PKI certificate expiration and assist with certificate renewals as necessary.
  • Create, manage, and troubleshoot load balanced IP address spaces.
  • Develop and implement technical solutions in collaboration with engineers and architects.
  • Provide after-hours support to 24/7/365 IT Operations Center personnel to assist with troubleshooting service outages.
  • Develop and update technical solutions, operating procedures and other documentation for 24/7/365 IT Operations Center personnel to assist with initial troubleshooting and triage efforts.

Basic Qualifications:

  • Experienced in administering and managing F5 load balancer appliances in an enterprise environment.
  • Knowledge of standards, concepts, and tools to be able to complete technology monitoring and management of F5 appliances.
  • Technical knowledge backing up PKI certificates and appliance configurations.
  • Experience creating, managing, and troubleshooting load balanced IP address spaces.
  • Experience working independently in support of customer requirements.
  • Experience interfacing with team members on requirements and solutions.
  • Familiar with IT Service Management products such as ServiceNow.

Certifications:

  • Candidate must, at a minimum, meet DoDM 8140.03 (previously DoD 8570) – IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher).
  • Candidate must possess an F5 Certified Administrator (201) or higher certification.

Education:

  • Bachelor's degree in a technical field with at least 8 years of prior relevant experience or Masters with 6 years of prior relevant experience.

Additional years of experience may be considered in lieu of degree.

Security Clearance:

  • Due to the nature of the government contracts we support, US Citizenship is required.
  • TS/SCI with Poly required for Position or TS/SCI and willingness to obtain and maintain a polygraph.

Benefits:

  • Leidos Life promotes excellent work-life balance.
  • Leidos offers many opportunities for career development and advancement.
  • Additional training and certification programs designed to elevate your expertise and broaden your professional reach are available.

Skills

Required

  • F5 load balancer
  • SSL/TLS
  • PKI authentication
  • IT Service Management
  • ServiceNow

Ready to apply?

You apply with the employer directly. Their original posting is here: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Alexandria-VA/F5-Load-Balance-Network-Engineer_R-00188133-1

Apply on Leidos