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Added 6 mins ago
SYSTEMS ENGINEER
City of New York
Brooklyn, NY
We are seeking two Systems Engineers to design, build, and maintain enterprise systems across our multi-cloud infrastructure, supporting 100+ applications and products. To meet our…
Added 14 mins ago
Senior Staff Network Engineer, Google Global Infrastructure
Google
Sunnyvale, CA
…mobile; the list goes on and is growing every day. As a software engineer, you will work on a specific project critical to Google Cloud's needs with opportunities to switch teams and…
Added 14 mins ago
Research Engineer, GenMedia Safety Evaluations and Threat Intelligence TLM, DeepMind
DeepMind
Mountain View, CA · New York, NY · San Francisco, CA
5 years of experience driving cross-functional initiatives across research, engineering, infrastructure, and product stakeholders.
Added 21 mins ago
Lead System Integration and Test Engineer
Leidos
Gaithersburg, MD
This position offers a balanced hybrid schedule of 3 days in office and 2 days remote
Added 21 mins ago
T
Senior EUC Engineer
TEKsystems
Columbia, MD
- $25 to $35 USD / hour
Top Skills / Must Haves
Added 21 mins ago
T
Senior EUC Engineer
TEKsystems
Columbia, MD
- $25 to $35 USD / hour
We are looking for a senior , hands-on EUC Engineer to build, run, and support our 100% cloud-native digital workspace. The role combines deep engineering across virtual desktops, endpoint…
Added 21 mins ago
Senior Engineer, Corporate Systems & Finance Technology
Marriott
Bethesda, MD
The Application Solution Engineer for Oracle Enterprise Performance Management (EPM) is a subject-matter expert responsible for the design, implementation, and optimization of the full EPM…
Added 22 mins ago
Staff Software Engineer, Console
Jobgether
Remote, United States
…and next steps. Our partner is looking for a Staff Software Engineer, Console based in the United…
Added 27 mins ago
Network Engineer, Foundation & Support
Meta
Jefferson City, MO
Meta is seeking a Network Engineer to join the Foundation and Support team, focused on the deployment, operations, and lifecycle management of enterprise network services (ENS) that…
Added 43 mins ago
M
Senior Systems Engineer
Microsoft
WA · CA · OR · Redmond, WA · Mountain View, CA · Hillsboro, OR · Redmond · Mountain View · Hillsboro
- $119,800 to $261,000 USD / year
…technology that changes our world. The Azure Cloud Hardware and Infrastructure Engineering (CHIE) team is seeking a highly motivated senior hardware systems engineer to work in a team of…
Added 43 mins ago
M
Principal Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
We are looking for a Principal Software Engineer to provide hands-on technical leadership for Microsoft's Forensics platform, a highly sensitive, large-scale distributed data platform…
Added 44 mins ago
M
Senior Principal Hardware Engineer
Microsoft
WA · TX · NC · OR · CA · Redmond, WA · Austin, TX · Raleigh, NC · Hillsboro, OR · Mountain View, CA · Redmond · Austin · Raleigh · Hillsboro · Mountain View
- $165,600 to $331,200 USD / year
Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent…
Added 52 mins ago
Senior AI Quality & Evaluation Engineer
Solvd
Remote, United States
We are looking for a Senior AI Quality & Evaluation Engineer to own the independent proof that retrieval works and that permissions hold. You’ll build and run the golden question suite,…
Added 52 mins ago
Senior Data Engineer - Knowledge Ingestion
Solvd
Remote, United States
We are looking for a Senior Data Engineer to build the four source connectors and ingestion pipeline that turns raw knowledge content into a governed, permission-tagged corpus in S3 and…
Added 52 mins ago
Senior Data Engineer - Retrieval & RAG Platform
Solvd
Remote, United States
We are looking for a Senior / Staff Data Engineer to build what the Agent Assist provider calls: the Bedrock Knowledge Base configuration, the OpenSearch Serverless collection, the…
Added 53 mins ago
J
Software Engineer, Backend (Trading)
Jobgether
Remote, United States
- $200,000 to $250,000 USD / year
The Software Engineer, Backend (Trading) will help build and scale the technology powering next-generation digital asset trading experiences. This role focuses on developing robust APIs,…
Added 1 hour ago
M
Senior Hardware Quality Engineer
Microsoft
WA · TX · NC · CA · OR · Redmond, WA · Austin, TX · Raleigh, NC · Mountain View, CA · Hillsboro, OR · Redmond · Austin · Raleigh · Mountain View · Hillsboro
- $119,800 to $261,000 USD / year
…accelerate mean‑time‑to‑resolution (MTTR) across production AI infrastructure. The scope and depth of this role reflect workload and technical responsibilities performed by a Senior…
Added 1 hour ago
M
Principal Software Engineer, AI Infra Management and Ops
Microsoft
United States
- $142,800 to $274,800 USD / year
As a Principal Software Engineer, you will lead the design and evolution of cloud-native platforms, distributed systems, and infrastructure services that support service lifecycle…
Added 1 hour ago
M
Principal Design Verification Engineer (Design or DV)
Microsoft
CA · WA · NC · Mountain View, CA · Redmond, WA · Raleigh, NC · Mountain View · Redmond · Raleigh
- $142,800 to $304,200 USD / year
Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent Cloud” mission. SCHIE delivers the core infrastructure and foundational technologies for Microsoft's over 200…
Added 1 hour ago
M
Principal Hardware Engineer
Microsoft
WA · CA · OR · TX · NC · Redmond, WA · Mountain View, CA · Hillsboro, OR · Austin, TX · Raleigh, NC · Redmond · Mountain View · Hillsboro · Austin · Raleigh
- $142,800 to $304,200 USD / year
Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent…
Added 1 hour ago
Staff Cybersecurity Engineer
SciTec
Boulder, CO
Added 1 hour ago
M
Senior Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $119,800 to $261,000 USD / year
We are looking for a Senior Software Engineer. The ideal candidate brings strong hands-on experience in engineering infrastructure, and developer tool chains, with the ability to integrate…
Added 1 hour ago
M
Senior Platform Systems Engineer
Microsoft
WA · CA · OR · TX · Redmond, WA · Mountain View, CA · Hillsboro, OR · Austin, TX · Redmond · Mountain View · Hillsboro · Austin
- $119,800 to $261,000 USD / year
As Microsoft's cloud business continues to grow the ability to deploy new offerings and hardware infrastructure on time, in high volume with high quality and lowest cost is of paramount…
Added 1 hour ago
M
Senior Software Engineer, Full Stack
Microsoft
WA · Redmond, WA · Redmond
- $119,800 to $261,000 USD / year
Senior Software Engineer - Full Stack, AI & Platform Modernization Microsoft | Engineering Workforce Strategy & Operations
Added 1 hour ago
J
Staff Software Engineer (SRE)
Jobgether
Remote, United States
- $200,000 to $250,000 USD / year
The Staff Software Engineer (SRE) will play a key role in building and scaling the infrastructure behind a global financial technology platform serving millions of users. This position…

Closed listing

General Dynamics Information Technology

Sr. F5 Application Delivery Engineer

Bethesda, MD, United States

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

This opening has closed.

The original listing is kept below for reference.

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Job details

Pay: The likely salary range for this position is $124,093 - $155,250.
Posting language: English
Posted: Nov 12, 2026

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Original job description

Archived listing. The details below describe a past opening.

Req ID: RQ231911

Type of Requisition: Regular

Clearance Level Must Be Able to Obtain: None

Public Trust/Other Required: NACI (T1)

Job Family: Cyber and IT Risk Management

Skills:

Application Delivery,F5 BIG-IP,F5 Load Balancer,F5 LTM

Certifications:

F5 Certified Technology Specialist (F5-CTS) | F5 - F5

Experience:

7 + years of related experience

Job Description:

The Senior Application Delivery Engineer is responsible for the configuration, deployment, and management of the customer’s security appliances and infrastructure in a 24x7x365 environment. The senior engineer is responsible for but not limited to monitoring, configuration changes, accounts, and software updates for the customer’s security appliances for the customer’s Application Delivery infrastructure. The engineer must be able to analyze, troubleshoot, and remediate issues within the enterprise. The engineer will also work closely with other teams to ensure that all security solutions are performing to standard.

This position is 3 days a week onsite at 6555 Rock Spring Drive, Bethesda, MD travel is primarily local in the DC metro area.

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.

Required Skills:

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. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at https://gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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More about this job

Skills

Risk management
Troubleshoot
Troubleshooting
Firmware
Regulatory compliance
Computer science
CCNP
AWS
Microsoft Azure
Google Cloud
Microsoft Windows
Linux
Apple iOS
Ansible
IBM Terraform
LAN

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Jobs in the United States