Xcelligen Inc. is a digital transformation and IT services company founded in 2014, specializing in cutting-edge technological solutions for government and commercial clients. Their core services…
Xcelligen Inc. is a digital transformation and IT services company founded in 2014, specializing in cutting-edge technological solutions for government and commercial clients. Their core services…
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Job Title:
Senior F5 Engineer
Location:
California; Ideally local to Bay Area
Security Clearnce:
TS/SCI-Poly or higher
Work Authorization:
U.S. Citizens ONLY due to legal or government contract requirements.
Job Summary:
This role will focus on delivering high availability, scalability, and security for mission-critical applications across on-premises data centers and hybrid cloud infrastructures.
The ideal candidate will have deep expertise in F5 BIG-IP platforms (LTM, GTM/DNS, ASM, APM), strong automation experience, and the ability to lead complex migration and modernization projects.
Key Responsibilities:
Required Qualifications:
Preferred Qualifications:
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.
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 4–7 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 Intel’s 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.
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.
