Network Engineer – F5 Load Balancer

Leidos

. Implement, operate, and maintain load balancer technologies in a global enterprise across multiple networks .

Posted 10/28/2026full-timeUnited StatesMid-LevelSenior💰 $92,300 - $166,850 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in administering F5 load balancer appliances and managing PKI certificates within enterprise environments. Proficient in developing technical solutions, troubleshooting load balanced IP address spaces, and providing after-hours support for critical IT operations.

Highest-signal resume keywords

F5 Load Balancer AdministrationPKI Certificate ManagementLoad Balanced IP Address ManagementIT Service Management (ServiceNow)DoDM 8140.03 Certification

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Load Balancer TechnologiesPerformance TuningSSL/TLS OffloadingTechnical DocumentationTroubleshootingSystem PatchingConfiguration BackupTechnical Solution DevelopmentCustomer Requirement SupportNetwork Management

Soft Skills

Independent WorkTeam CollaborationCustomer Communication

Tools & Technologies

F5 AppliancesServiceNow

Certifications & Qualifications

F5 Certified Administrator (201)Cloud+GICSPSSCPSecurity+ CEGSEC

Industry Keywords

Enterprise EnvironmentIT Operations CenterDoD ComplianceTS/SCI ClearancePolygraph Requirement

Tech Stack

Tools & technologies

CloudITSMServiceNowTypeScript

About the role

Key responsibilities & impact

Implement, operate, and maintain load balancer technologies in a global enterprise across multiple networks
Upgrade to new technologies
Tune performance and implement critical system patches
Ensure SSL/TLS offloading and brokering PKI authentication features provided by F5 appliances remain operational
Back up load balancing configurations and PKI certificates according to customer policies
Alert customers before PKI certificate expiration and assist with certificate renewals
Create, manage, and troubleshoot load balanced IP address spaces
Develop and implement technical solutions with engineers and architects
Provide after-hours support to 24/7/365 IT Operations Center personnel for service outage troubleshooting
Develop and update technical solutions, operating procedures, and documentation for initial troubleshooting and triage

Requirements

What you’ll need

Experience administering and managing F5 load balancer appliances in an enterprise environment
Knowledge of standards, concepts, and tools for monitoring and managing F5 appliances
Technical knowledge of 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
Familiarity with IT Service Management products such as ServiceNow
DoDM 8140.03 (previously DoD 8570) IT System Admin Intermediate certification requirement: Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher
F5 Certified Administrator (201) or higher certification
Bachelor's degree in a technical field with at least 8 years of prior relevant experience, or Master's with 6 years of prior relevant experience
Additional years of experience may be considered in lieu of degree
US Citizenship required
TS/SCI with Poly required, or TS/SCI and willingness to obtain and maintain a polygraph
Role contingent upon completing classes and obtaining the required certification

Benefits

Comp & perks

Excellent work-life balance
Career development and advancement opportunities
Additional training and certification programs
Professional certification opportunities designed to elevate expertise and broaden professional reach