# Senior Application Delivery Engineer

**Company**: GDIT
**Location**: Bethesda, MD
**Work arrangement**: hybrid
**Experience**: senior
**Job type**: full-time
**Salary**: $124,093 - $155,250
**Category**: Engineering
**Industry**: Technology

**Apply**: https://gdit.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/USA-MD-Bethesda/Sr-F5-Application-Delivery-Engineer_RQ231911-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/job/senior-application-delivery-engineer-26afc460-d27/

## Description

We are seeking a Senior Application Delivery Engineer to join our team. The successful candidate will be responsible for the configuration, deployment, and management of security appliances and infrastructure in a 24x7x365 environment.

Responsibilities:

- Serve as Senior Engineer / Administrator of F5 BIG-IP LTM/GTM load balancing.

- Perform F5 configuration and troubleshooting with database and application teams for over 5,000 applications that are load balanced in the Development, Test, Pre-Production, and Production environments.

- Work closely with other IT functional teams to ensure cohesive support and strategies across the IT organization.

- Implement configuration changes, manage patching and support firmware lifecycle management.

- Respond to incidents and outages, leading major incident bridge calls during production outages.

- Conduct root cause analyses (RCA) for critical incidents.

- Support security and compliance reviews and ensure all security vulnerabilities are identified and remediated.

- Monitor F5 platform health, review performance metrics and ensure failover readiness.

- Review alerts and logs.

- Maintain relationships with key Third-Party software/hardware vendors to provide support to the infrastructure as needed.

Requirements:

- BS degree in Computer Science, Information Systems or equivalent.

- Minimum 7 years of experience in an Application Delivery role.

- Minimum 7 years of experience in a Network Engineering, or Infrastructure Engineering role.

- Experience with network infrastructure in enterprise datacenter solutions.

- Must have F5 Certified Technology Specialist (F5-CTS) Certification.

Desired Skills:

- F5 Certified Solutions Expert (F5-CSE) certification.

- CCNP Enterprise or CCNP Security certifications.

- AWS, Azure or Google Cloud certifications.

- Cisco SISE certification.

- Experience configuring 802.1X.

- Experience configuring and implementing network segmentation including VLANs and MPLS.

- Experience with multiple end-system operating systems including Windows, Linux, Mac OS, and Apple IOS.

- Experience automating infrastructure using APIs, Ansible, Terraform, or similar tools.

- Experience with Forescout security products.

- Experience with Cisco wireless LAN controllers.

The likely salary range for this position is $124,093 - $155,250.

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## Skills

### Required
- Application Delivery
- F5 BIG-IP
- F5 Load Balancer
- F5 LTM
- Network Engineering
- Infrastructure Engineering

### Nice to have
- F5 Certified Solutions Expert (F5-CSE)
- CCNP Enterprise
- CCNP Security
- AWS
- Azure
- Google Cloud
- Cisco SISE
- 802.1X
- VLANs
- MPLS
- Ansible
- Terraform
- Forescout
- Cisco wireless LAN controllers

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Source: [Apply at gdit.wd5.myworkdayjobs.com](https://gdit.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/USA-MD-Bethesda/Sr-F5-Application-Delivery-Engineer_RQ231911-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)