F5 Load Balance Network Engineer

Description


At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

If this sounds like the kind of environment where you can thrive, keep reading!

The Digital Modernization Sector brings together our digital transformation and IT programs, allowing us to better serve our customers through scale and repeatability.

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 updating 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.

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: .

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.

Successful candidates must possess the following skills:

• 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.
• Expertise 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, candidates without higher level education will be considered if they have additional years of relevant F5 experience or an F5 certification

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.

To be considered for the following levels:

• T2 Level: Bachelor's degree with a minimum of 2+ years of relevant experience, Associate's with 4+ years of experience, High School Diploma with 6+ years of relevant experience, or Masters degree with less than 2 years of experience
• T3 Level: Bachelor's degree with a minimum of 4+ years of relevant experience, Associate's with 6+ years of experience, High School Diploma with 8+ years of relevant experience, or Masters degree with 2 years of experience
• T4 Level: Bachelor's degree with a minimum of 8+ years of relevant experience, Associate's with 10+ years of experience, High School Diploma with 12+ years of relevant experience, or Masters degree with 6 years of experience

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for how it's always been done."

Original Posting:
August 7, 2025
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 Range:
Pay Range $57,850.00 - $104,575.00

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.