Xcelligen Inc. Β· 11 hours ago
Senior F5 Engineer
California, United States
Contract
Onsite
Senior Level, Lead/Staff
8+ years expXcelligen Inc. is focused on delivering high availability, scalability, and security for mission-critical applications. The Senior F5 Engineer will lead complex migration and modernization projects while optimizing F5 BIG-IP configurations and ensuring application delivery across various environments.
Software Engineering
Hiring Manager
Saladi P.
Responsibilities
Design, implement, and optimize F5 BIG-IP configurations, including LTM, GTM/DNS, APM, and ASM modules across production and development environments
Support application delivery for enterprise services, engineering systems, and manufacturing platforms with focus on scalability, resilience, and security
Develop and maintain iRules and iApps to enable custom application delivery logic and integrations
Automate configuration management using tools like Ansible, Python, or Terraform to ensure consistency and compliance across environments
Collaborate with security teams to enforce policies, manage SSL certificates, and integrate F5 with identity and access management systems (Okta, Azure AD, etc.)
Troubleshoot complex Layer 4β7 traffic flows and application issues using F5 utilities, packet captures, and logging tools
Integrate F5 solutions with public cloud environments (AWS, Azure, GCP) as part of Intelβs hybrid infrastructure strategy
Perform lifecycle management of F5 devices, including firmware upgrades, patching, and hardware refreshes
Document architectures, runbooks, and operational standards for global support teams
Provide mentorship to junior network and application delivery engineers, sharing best practices and guiding on automation and security initiatives
Qualification
Required
Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent practical experience)
8+ years of hands-on experience managing and engineering F5 BIG-IP systems in large enterprise environments
Deep expertise in F5 modules: LTM, GTM/DNS, ASM, and APM
Strong scripting and automation skills with Python, Bash, or Ansible
Advanced understanding of networking protocols (TCP/IP, HTTP/S, DNS, SSL, SNAT, routing, VLANs)
Experience integrating F5 with cloud-based application delivery or proxy solutions (e.g., Azure Front Door, AWS ALB/NLB, Cloudflare)
Proven ability to troubleshoot complex, multi-layer traffic issues
Excellent communication and documentation skills; able to work in a global, cross-functional environment
Preferred
F5 Certified Technology Specialist (LTM, ASM, APM, or GTM)
Experience with Zero Trust network design and API gateway integration
Familiarity with Kubernetes ingress controllers, NGINX+, or other ADC technologies
Experience supporting manufacturing or engineering workloads in a high-availability environment
Prior experience in a Fortune 500 or semiconductor enterprise is a plus
Company
Xcelligen Inc.
ππππ₯π₯π’π ππ§ ππ§π | Achieving mission success through Digital Transformation. Delivering Strategic Solutions to the Federal Government. Xcelligen Inc.
11-50 employees
H1B Sponsorship
Xcelligen Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (6)
2023 (2)
2022 (1)
2021 (1)
Funding
Current Stage
Early StageCompany data provided by crunchbase