F5 Load Balance Network Engineer

Your greatest work is ahead! 

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. This individual will work in a team environment to ensure mission needs are met for internal and external customers.

This position is now available in multiple locations and offers the opportunity to work from any of our key sites in Alexandria, VA, Tampa, FL; MD (undisclosed), Omaha, NE; or Millington, TN.

Why Leidos?

• Leidos Life promotes excellent work-life balance.  You can make an impact and have time for your well-being.
• Leidos offers many opportunities for career development and advancement.
• Learn more about the benefits we offer: https://www.leidos.com/careers/pay-benefits.

We’re excited to offer you the opportunity to take part in additional training and certification programs designed to elevate your expertise and broaden your professional reach. These credentials not only strengthen your skillset, but also position you to engage with a wider, more diverse audience and open new pathways for growth and recognition within your field.  The role is contingent upon completing classes and obtaining the certification.  Please click on the link to learn more about this certification and what is required https://www.udemy.com/course/f5-101-exam-prep/?couponCode=MT250908G3

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.
   

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

July 27, 2026

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.