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Senior Load Balancer Engineer (F5 / AVI)

Collyde
Remote

Quick Apply

Job Details

Full-time

Qualifications

Implementing network security protocols
Network troubleshooting
Content creation for technical audiences
Load balancers
High availability solutions design
Technical documentation
Load balancing
TLS
BGP
Cryptographic technology
Technical troubleshooting support
API integrations
Project stakeholder communication
Technical writing for network engineers
Stakeholder relationship building
Cross-functional communication
Production troubleshooting
Stakeholder management

Full Job Description

Senior Application Delivery Engineer (F5 / AVI)

Location: Remote
Duration: 6-Month Contract
Schedule: Full-Time, 40 Hours/Week (U.S. Business Hours)

About the Role

We are seeking a Senior Application Delivery Engineer to support a large-scale infrastructure modernization initiative focused on migrating enterprise applications from VMware AVI (NSX Advanced Load Balancer) to F5 platforms.

This role will be responsible for designing, implementing, and optimizing application delivery solutions across global environments. The ideal candidate will have deep expertise in F5 load balancing technologies, strong network engineering fundamentals, and experience delivering highly available, secure, and scalable infrastructure solutions within complex enterprise environments.

What You'll Do

Lead the design and implementation of application delivery infrastructure solutions using F5 technologies.
Support migration efforts from VMware AVI (NSX Advanced Load Balancer) to F5 platforms.
Manage the full lifecycle of load balancing infrastructure, including design, deployment, upgrades, maintenance, and decommissioning.
Develop High-Level Designs (HLDs), Low-Level Designs (LLDs), implementation plans, and operational runbooks.
Architect solutions involving SSL offloading, DNS services, persistence, traffic optimization, and application security controls.
Ensure infrastructure designs align with enterprise security, compliance, and operational standards.
Perform validation, testing, and quality assurance activities before production deployment.
Collaborate with engineering, operations, security, and business teams to support successful project delivery.
Lead lifecycle management activities, including patching, upgrades, vulnerability remediation, and end-of-life technology refresh initiatives.
Troubleshoot complex issues related to load balancing, DNS, SSL/TLS, and network traffic management.
Support automation and integration initiatives through APIs and scripting technologies.
Provide operational metrics, reporting, and recommendations for continuous improvement.

Required Qualifications

5+ years of experience in Network Engineering, Infrastructure Engineering, or Application Delivery Engineering.
Strong hands-on experience with F5 LTM and GTM.
Experience working with F5 APM and ASM modules.
Working knowledge of VMware AVI (NSX Advanced Load Balancer).
Strong understanding of TCP/IP, HTTPS, BGP, DNS, SSL/TLS, and related networking protocols.
Experience designing and supporting highly available application delivery solutions.
Knowledge of SSL certificate management, PKI processes, and certificate lifecycle administration.
Experience troubleshooting complex enterprise networking and application delivery environments.
Experience using F5 iControl APIs or similar technologies for automation and integration.
Strong documentation, communication, and stakeholder management skills.
Experience participating in infrastructure lifecycle management and technology refresh programs.

Preferred Qualifications

F5 Certification (201, 301, or equivalent).
CCNP, CCIE, or related networking certifications.
Experience with F5 advanced modules including ASM, APM, and Web Acceleration.
Knowledge of F5 iRules and policy-based traffic management.
Experience with automation tools such as Python, Ansible, or scripting frameworks.
Familiarity with ITIL processes and service management best practices.
Experience supporting financial services, banking, or other highly regulated environments.
Experience conducting root cause analysis, risk assessments, and infrastructure optimization initiatives.

Technical Skills

F5 Load Balancing (LTM, GTM, ASM, APM)
VMware AVI / NSX Advanced Load Balancer
Application Delivery Networking (ADN)
DNS and Global Traffic Management
SSL/TLS and PKI
TCP/IP Networking
Infrastructure Automation and API Integration
Network Security and Traffic Optimization
Solution Design and Technical Documentation

What We're Looking For

We're looking for a highly skilled engineer who combines strong technical expertise with a design-focused mindset. The ideal candidate is comfortable working independently, collaborating with cross-functional teams, and driving complex infrastructure initiatives from planning through implementation.

If you're passionate about application delivery technologies and have experience supporting enterprise-scale F5 environments, we'd love to hear from you.

Quick Apply

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