System Administrator II; -IP F5
Job in
Montgomery, Montgomery County, Alabama, 36136, USA
Listed on 2026-07-10
Listing for:
Sumaria Systems, LLC
Full Time
position Listed on 2026-07-10
Job specializations:
-
IT/Tech
Cybersecurity, Systems Administrator, IT Support, Network Security
Job Description & How to Apply Below
Job Title:
System Administrator II (Big-IP F5)
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 desired effects in its management of the DoD Information Network (DoDIN).
KeyAreas of Focus
- Assured System and Network Availability that ensures uninterrupted availability and protection of system and network resources, including graceful degradation, self-healing, fail-over, diversity and elimination of critical failure points.
- Assured Information Protection of information in storage, at rest, while passing over networks, from the time it is stored and catalogued until distributed to users, operators, and decision makers.
- Assured Information Delivery of information to users, operators, and decision makers in a timely manner.
- 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 Manager (APM) services.
- Install and patch Big IP F5 systems, and document DISA Security Technical Implementation Guidelines (STIGs) checklists.
- Design and administer load balancing strategies and techniques, including application switching, traffic management, 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).
- Support essential tasks, Situational Awareness (SA), and Command and Control (C2) that comprise the operational framework of Net Ops.
- Support DoDIN Enterprise Management (EM), DoDIN Network Defense (DoDNetD), and DoDIN Web Content Management.
- Other system administration related tasks as assigned.
- 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), 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 and related application integration designs.
- Travel:
Yes (less than 10%). - Security
Clearance Required:
Secret. - Position Type:
Full Time. - Work Location:
Montgomery, AL (Gunter Annex). - Expected salary range: $75,000 to $82,500.
Sumaria is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, age, disability, or protected veteran status.
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