F5 Support Engineer

Join GDT and be part of a dynamic team where innovation meets excellence! At GDT, our employees are the cornerstone of our success. GDT offers a people‑first culture focused on inclusivity, growth, and innovation. Employees have access to career development opportunities, cutting‑edge technology, and a collaborative environment. Employees are empowered to make a meaningful impact and are recognized for their contributions.

As a global IT services company, we prioritize attracting, empowering, and retaining top‑tier talent dedicated to delivering exceptional results.

6‑month CTH

We are seeking an F5 Support Engineer with strong experience across F5 APM, F5 ASM/Advanced WAF, and Microsoft identity platforms (including Microsoft Entra  / Azure AD). In this role, you will support secure application delivery, identity‑based access, and enterprise web application protections. You will work closely with our Senior F5 Engineer to maintain and enhance F5 services that integrate with Microsoft identity, SSO, MFA, conditional access, federation, and Zero Trust access models.

This position is ideal for someone who understands how F5 and Microsoft identity platforms work together to provide secure, seamless access to applications.

• Provide operational support for F5 BIG‑IP, including APM, ASM/Advanced WAF, and LTM
• Support enterprise identity and access integrations between F5 APM and Microsoft Entra  (Azure AD)
• Manage and update APM access policies, SSO configurations, authentication flows, and MFA integrations
• Assist in maintaining and tuning web application firewall (ASM/AWAF) policies
• Perform routine F5 changes: virtual servers, pool updates, certificates, health monitors
• Troubleshoot Tier 1–2 F5–, APM–, and identity‑related access issues; elevate complex problems to the Senior F5 Engineer
• Monitor device health, traffic flows, web security events, and user authentication patterns
• Support conditional access, federation, and Zero Trust access models as implemented through F5 and Microsoft identity
• Participate in maintenance windows and change control for F5 and identity access updates
• Document configurations, access policies, authentication mappings, and operational procedures

• Hands‑on experience with F5 APM
• Experience with F5 ASM/Advanced WAF for web application security
• Working knowledge of Azure AD / Microsoft Entra , including SSO, MFA, conditional access, and identity federation
• 2–4+ years of experience in networking, security, or application delivery
• Understanding of authentication protocols: SAML, OAuth2/OIDC, Kerberos, or LDAP
• Strong foundational networking knowledge (TCP/IP, HTTP/HTTPS, DNS, VLANs)
• Experience with SSL/TLS certificates and secure application delivery concepts
• Ability to troubleshoot authentication flows, policy behavior, and application access issues

Sorry, no 3rd parties or CTC

GDT IS AN EQUAL OPPORTUNITY EMPLOYER. Applicants and employees are considered for positions and are evaluated without regard to mental or physical disability, race, color, religion, gender, national origin, age, genetic information, military or veteran status, sex, marital status, gender identity or any other protected Federal, State/Province or Local status unrelated to the performance of the work involved.

Mid‑Senior level

Contract

Information Technology

Professional Services and IT Services and IT Consulting