Network Engineer

About this role

Navy Federal Credit Union currently does not provide sponsorship for this role. Applicants must be authorized to work in the United States without the need for current or future sponsorship.

We are seeking an experienced Network Engineer to join our Network Delivery team as a senior technical resource responsible for the design, implementation, support, automation, and lifecycle management of enterprise application delivery and DNS services.

This role focuses on F5 BIG-IP, F5 rSeries, and Infoblox DNS/IPAM technologies supporting mission-critical applications across on-premises and cloud environments.

The ideal candidate will bring deep expertise in F5 and DNS technologies, strong troubleshooting skills, and experience leading complex infrastructure initiatives.

The position combines advanced operational support, engineering, platform modernization, automation, architecture, and technical leadership responsibilities. Participation in a rotating 24x7 on-call schedule is required, along with occasional after-hours support for maintenance, upgrades, migrations, and critical incident response. Success in this role requires close collaboration with application, security, cloud, infrastructure, and operations teams.

Responsibilities Provide Tier 4/5 engineering and operational support for enterprise F5 and DNS infrastructure, ensuring stability, availability, and performance of critical business services.

Lead F5 and DNS engineering initiatives across development, test, and production environments.

Design, implement, configure, and support:

F5 BIG-IP Local Traffic Manager (LTM)

F5 BIG-IP DNS/GTM

SSL offloading and certificate management

Application delivery and traffic management solutions

High-availability and disaster-recovery architectures

Deploy, administer, and maintain F5 rSeries platforms, including provisioning, tenant management, upgrades, patching, and lifecycle planning.

Administer and support Infoblox DNS, DHCP, and IP Address Management (IPAM/DDI) platforms.

Troubleshoot complex load-balancing, DNS, application connectivity, and network-related issues.

Lead platform refreshes, migrations, upgrades, and infrastructure modernization efforts.

Develop and enhance automation solutions using Ansible, Python, REST APIs, and Infrastructure as Code.

Serve as a technical leader for F5 architecture, application delivery, and enterprise traffic-management solutions.

Evaluate emerging F5 and DNS capabilities and recommend adoption strategies.

Partner with application, cloud, security, infrastructure, and operations teams to deliver scalable and resilient solutions.

Participate in incident response, root-cause analysis, and problem management activities.

Develop and maintain engineering standards, technical documentation, operational procedures, and runbooks.

Mentor junior engineers and contribute to the team’s technical roadmap and best practices.

Qualifications Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field, or an equivalent combination of education, training, and professional experience.

5+ years of hands-on experience with application delivery, load balancing, DNS, and enterprise networking technologies.

Strong hands-on experience engineering, administering, and supporting F5 BIG-IP environments, particularly LTM and DNS/GTM.

Strong understanding of load balancing, application delivery, DNS, TCP/IP, SSL/TLS, high availability, and enterprise networking.

Experience supporting Infoblox DNS/DHCP/IPAM environments.

Experience supporting and troubleshooting large-scale, highly available, production-critical enterprise infrastructure.

Proven ability to troubleshoot complex application delivery, DNS, load-balancing, and network connectivity issues.

Experience providing advanced Tier 4/5 engineering support and leading complex implementations, migrations, upgrades, infrastructure refreshes, and modernization initiatives.

Strong documentation, communication, collaboration, and problem-solving skills.

Demonstrated technical leadership and mentoring capabilities.

Ability to work effectively across application, security, cloud, infrastructure, and operations teams.

Desired Qualifications

Experience administering F5 rSeries platforms.

Experience with automation and orchestration technologies, including:

Ansible

Python

REST APIs

Infrastructure as Code (IaC)

ServiceNow integrations

Experience supporting cloud and hybrid-cloud environments, including Microsoft Azure, Amazon Web Services (AWS), and Oracle Cloud Infrastructure (OCI).

Knowledge of cloud networking, load balancing, DNS, hybrid connectivity, and application delivery.

Preferred Certifications

F5 Certified Administrator (F5-CA), F5 Certified Technology Specialist (F5-CTS), or equivalent practical experience.

Infoblox certification or equivalent practical experience.

Relevant cloud or networking certifications.

Additional Information

Hours:

Monday - Friday, 8:00AM - 4:30 PM

Participation in a rotating 24x7 on-call support schedule.

Availability for occasional after-hours maintenance, upgrades, migrations, and critical incident response.

Locations:

820 Follin Lane, Vienna, VA 22180

5510 Heritage Oaks Drive, Pensacola, FL 32526

9999 Willow Creek Road, San Diego, CA 92131

Navy Federal provides much more than a job. We provide a meaningful career experience, including a culture that is energized, engaged and committed; and fierce appreciation for our teams, who are rewarded with highly competitive pay and generous benefits and perks.

Our approach to careers is simple yet powerful: Make our mission your passion.

FORTUNE 100 Best Companies to Work For® 2025

Yello and WayUp Top 100 Internship Programs

Computerworld® Best Places to Work in IT

Newsweek Most Loved Workplaces

2025 PEOPLE® Companies That Care

Newsweek Most Trustworthy Companies in America

Military Times 2025 Best for Vets Employers

Best Companies for Latinos to Work for 2025

Forbes® 2025 America’s Best Large Employers

Forbes® 2025 America's Best Employers for New Grads

Forbes® 2025 America's Best Employers for Tech Workers

2025 RippleMatch Campus Forward Award Winner for Overall Excellence

Military.com Top Military Spouse Employers 2025

2025 Handshake Early Talent Award

From Fortune. ©2025 Fortune Media IP Limited. All rights reserved. Used under license. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of, Navy Federal Credit Union.

Equal Employment Opportunity: All qualified applicants will receive consideration for employment without regard to age, race, sex, color, religion, national origin, disability, veteran status, pregnancy, sexual orientation, genetic information, gender identity or any other basis protected by applicable law.

Accommodations: If you need accommodation or assistance for a qualifying condition to complete the online application (or during any stage of the hiring process), you can contact Navy Federal's Medical Accommodations team at [email removed] or by calling 1-888-503-6013. This team cannot provide any information on job postings or application status.

Disclaimers: Navy Federal reserves the right to fill this role at a higher/lower grade level based on business need. An assessment may be required to compete for this position. Job postings are subject to close early or extend out longer than the anticipated closing date at the hiring team’s discretion based on qualified applicant volume. Navy Federal Credit Union assesses market data to establish salary ranges that enable us to remain competitive. You are paid within the salary range, based on your experience, location and market position. For additional details regarding compensation and benefits, review the Benefits page of the Navy Federal Career Site.

Protect Yourself from Job Scams: Navy Federal Credit Union jobs are posted on our career site, jobs.navyfederal.org and reputable job boards (e.g., LinkedIn, Indeed). We do not post jobs on social media marketplaces, messaging apps or unverified websites. We will never ask candidates for payment, bank details or personal financial information during the hiring process.

Bank Secrecy Act: Remains cognizant of and adheres to Navy Federal policies and procedures, and regulations pertaining to the Bank Secrecy Act.