> Markdown version of [/jobs/ext/1182426-system-administrator-ii-big-ip-f5](https://www.wearedevelopers.com/jobs/ext/1182426-system-administrator-ii-big-ip-f5). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # System Administrator II (Big-IP F5) - **Company:** Sumaria Systems, Inc. - **Location:** Montgomery, AL, United States - **Experience:** Expert - **Salary:** $82,500.0 - **Contract:** Permanent contract - **Skills:** Application Integration Architecture, Business Logic, Computer Networks, Web Content Management Systems, Data Security, Fault Tolerance, Network Security, Network Control, Public Key Infrastructure, Session Management, Web Applications, SSL Certificate Management, Transport Layer Security, Load Balancing, Computer Network Operations, System Availability, BIG-IP Local Traffic Manager (LTM), BIG-IP Access Policy Manager (APM), Cts+, Big Ip - **Published:** July 4, 2026 - **Apply:** https://www.juju.com/job/00000000gdbor3 ## About the Role Education: High School Diploma or GED. Certification Requirements: Security+ or DoDD 8140 IAT-II equivalent and one of the following certifications: F5 Certified Technology Specialist (F5-CTS) - Local Traffic Manager (LTM) or F5-CTS- Access Policy Manager (APM) or F5 BIG-IP Certified Administrator. Years of Experience: 5+ years of professional experience with Big IP F5 products performing systems administration, of all Big-IP F5 Manage application integration designs around application logic and authentication configuration (session management, application redirects, rewrites, migration scenarios, app routing, CAC/PIV authentication). ## Description Job Description: Information networks are critical to modern warfare. This position plays a critical role in our nation-s defense through the operation, management, and defense of the Air Force portion of the Department of Defense (DoD) Information Network. You will be a key player on our team, helping the Air Force attain the following desired effects in its management of the DoD Information Network (DoDIN): + Assured System and Network Availability that ensures uninterrupted availability and protection of system and network resources. This includes providing for graceful degradation, self-healing, fail-over, diversity and elimination of critical failure points. + Assured Information Protection of information in storage, at rest, while it is passing over networks, including from the time it is stored and catalogued until it is distributed to users, operators, and decision makers. + Assured Information Delivery of information to users, operators, and decision makers in a timely manner. In this role, you will provide system administration and engineering solutions on all Big-IP F5 load balancing systems. This is expected to include, but will not necessarily be limited to the following activities: + Manage application integration designs around application logic and authentication configuration (session management, application redirects, rewrites, migration scenarios, app routing, CAC/PIV authentication). + Support, troubleshoot, and configure SSL intercept/inspection, web certificates, certificate management, PKI Certificate Authority (CA) bundles, private/public keys. + Install, configure, and administer Big IP F5 Platform Suite referencing Web Applications with Local Traffic Manager (LTM) and Access Policy Manger (APM) services. + Install and patch Big IP F5 systems, and document DISA Security Technical Implementation Guidelines (STIGs) checklists. + Design and administrator load balancing strategies/ techniques, in application switching / traffic management, knowledge of persistence, and SSL certificates. + Create and maintain documentation detailing architecture components, configurations, monitoring & alerting setup, troubleshooting guides, and checklists. + Notify appropriate Information Technical Equipment Custodian (ITEC) or Property Custodian (PC), in writing, within 4 hours for all accountable item moves. + Neatly bundle and conceal all excess system or peripheral cabling after each installation or repair. + Support the development, testing, and implementation of solutions and best practice methodologies that enable the prioritization of uptime by implementing failover and high availability configurations with two-person integrity (TPI) ensuring maximum amount of uninterrupted network operations. + Support the essential tasks, Situational Awareness (SA), and Command and Control (C2) that comprise the operational framework that comprises NetOps. + Support the following essential NetOps tasks: DoDIN Enterprise Management (EM), DoDIN Network Defense (DoDNetD), and DoDIN Web Content Management. + Other system administration related tasks, as assigned. ## Related Videos - [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure) - [Crypto-secure Data Management with In-Database Blockchain](https://www.wearedevelopers.com/videos/632-crypto-secure-data-management-with-in-database-blockchain) - [IP Authentication: A Tale of Performance Pitfalls and Challenges in Prod](https://www.wearedevelopers.com/videos/1413-ip-authentication-a-tale-of-performance-pitfalls-and-challenges-in-prod) - [Web-based Information Visualization](https://www.wearedevelopers.com/videos/84-web-based-information-visualization) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [How to govern Vibe Coding for the Enterprise](https://www.wearedevelopers.com/videos/100290-how-to-govern-vibe-coding-for-the-enterprise) ## Related Articles - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter)