F5 Load Balance Network Engineer

Leidos; Alexandria (VA); On-site; USD 73,000 - 133,000; Full time

Benefits offered by this job

Health and Wellness programs

Income Protection

Paid Leave and Retirement

Job summary

Leidos is seeking a F5 Load Balance Network Engineer to support a large DoD contract. The role covers implementation, operations, and maintenance of load balancer technologies across on-premises and cloud resources.

The position offers multiple sites including Alexandria, VA, Omaha, NE, and Millington, TN. The candidate will ensure SSL/TLS offloading, PKI integration, and certificate management, while collaborating with engineers and architects to deliver reliable enterprise solutions.

Qualifications

• Experience administering F5 load balancer appliances in an enterprise environment.
• Knowledge of monitoring and managing F5 appliances with PKI integration.
• Experience backing up PKI certificates and appliance configurations.
• Experience creating and troubleshooting load balanced IP spaces.
• Ability to work independently to support customer requirements.

Responsibilities

• Maintain SSL/TLS offloading and PKI authentication on F5 appliances.
• Manage load balancing configurations and certificate backups per policy.
• Notify customers ahead of certificate expirations and assist renewals.
• Troubleshoot load balanced IP address spaces and networks.
• Develop technical solutions with engineers and architects.
• Provide after-hours support for 24/7 IT Operations Center.
• Update operative procedures and documentation for triage.

Skills

F5 Load Balancer

Network Engineering

SSL/TLS Offloading

PKI Certificates

Independent Work

Education

Bachelor's/Associate's degree in a related field

High School Diploma with extensive experience

Master's degree with 2+ years

8+ years experience (HS diploma path)

Tools

ServiceNow

Job description

Looking for an opportunity to make an impact? 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 a mission you want to be a part of, keep reading! 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, Omaha, NE; or Millington, TN.

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

• High School Diploma with 8+ years of relevant experience, Associate's with 6+ years of experience, Bachelor's degree with a minimum of 4+ years of relevant experience, or Master's degree with 2 years of experience.

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 get a poly.

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

October 21, 2026

Pay Range

Pay Range $73,450.00 - $132,775.00

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.

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 here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

For more information, visit www.Leidos.com.

Commitment and Diversity

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.