F5 Load Balance Network Engineer

About the role

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.

Responsibilities

• 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.

Requirements

• 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.

Qualifications

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

Skills

• Strong problem-solving and troubleshooting skills.
• Excellent communication and interpersonal skills.
• Ability to work independently and as part of a team.
• Proficiency in scripting languages like Python or Bash.
• Experience with cloud-based services and virtualization technologies.

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.

Pay

Pay Range $92,300.00 - $166,850.00

Schedule

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.

Contact Us

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

Original Posting July 27, 2026

For U.S. Positions

While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.Leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work).

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.