Jobs in the United States

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Added 12 mins ago
Principal Cloud Systems Engineer
Leidos
Odenton, MD
CLEARANCE REQUIREMENT : Must possess an Active SECRET or above DoD clearance to be considered
Added 12 mins ago
PT
Systems Engineer
PDS Tech Commercial
Hagerstown, MD
- $81.4 USD / hour
If you're an experienced Systems Engineer who enjoys solving complex technical challenges and driving innovation from concept through deployment, we want to hear from you.
Added 13 mins ago
T
Senior EUC Engineer
TEKsystems
Columbia, MD
- $25 to $35 USD / hour
Make informed technical decisions regarding OS configuration, patching, upgrade readiness, deployment sequencing, exception handling, and issue remediation within architecture, security,…
Added 13 mins ago
Automated Test Engineer (Hybrid Telework) - TS/SCI /w poly required
General Dynamics Information Technology
Annapolis Junction, MD · Home Office, MD
Transform technology into opportunity as a Test Engineer at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career.
Added 13 mins ago
Senior Network Services Architect
Leidos
Bethesda, MD
…existing environment; oversee release management, testing, and deployment activities for host servers and virtual clients during operational…
Added 13 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 13 mins ago
Sr. F5 Application Delivery Engineer
General Dynamics Information Technology
Bethesda, MD
Must have F5 Certified Technology Specialist (F5-CTS) Certification
Added 18 mins ago
C
Langfuse - Senior Cloud Infra Engineer
ClickHouse
Remote, United States
- $160,000 to $240,000 USD / year
…entire cloud footprint - and you'll make sure every self-hosted deployment runs just as…
Added 33 mins ago
DevOps Engineer
Tieto
Dallas
We’re looking for a Senior DevOps Engineer who lives and breathes build and release management. You’ll own the path from commit to production for our .NET services running on Azure…
Added 35 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 35 mins ago
M
Principal Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
Security represents one of the most critical priorities for our customers in a world of increasing digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to…
Added 35 mins ago
M
Principal Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
The Microsoft Purview team’s mission is to build cloud solutions that support premium features such as security, compliance, data governance, data loss prevention, and more, seamlessly…
Added 55 mins 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
…platform globally with our server and data center infrastructure, security and compliance, operations, globalization, and manageability solutions. Our focus is on smart growth, high…
Added 55 mins 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 55 mins 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
…platform globally with our server and data center infrastructure, security and compliance, operations, globalization, and manageability solutions. Our focus is on smart growth, high…
Added 1 hour ago
MBSE Systems Engineer Stf
Lockheed Martin
Littleton, CO
Lockheed Martin seeks an a highly motivated innovative and talented Model Based Systems Engineer (MBSE) to join the Global Security team and become a member of the Systems Engineering and…
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 Software Engineer
Microsoft
United States
- $119,800 to $261,000 USD / year
As a Senior Software Engineer, you will design and build distributed services for deployment orchestration and Armada platform capabilities. You will own features from design and…
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
M
Principal Software Engineer- Substrate SPARTANs
Microsoft
WA · CA · NY · Redmond, WA · Mountain View, CA · Redmond · Mountain View · New York
- $142,800 to $304,200 USD / year
We are looking for a Principal Software Engineer to join the Special Projects and Resources Team (SPARTANs) in M365 Core - Substrate . SPARTANs tackle strategic projects and hard problems…
Added 1 hour ago
Sr. IT Systems Engineer
Jobgether
Remote, United States
The Sr. IT Systems Engineer will shape and scale the identity, endpoint, and SaaS infrastructure supporting a global, remote-first workforce. This role combines hands-on technical…
Added 1 hour ago
J
Senior Engineer, Cyber Engineering
Jobgether
Remote, United States
- $160,000 to $175,000 USD / year
We are seeking a highly skilled Senior Engineer, Cyber Engineering to design, develop, and operate scalable security infrastructure across enterprise, cloud, network, and endpoint…
Added 1 hour ago
Associate and Mid-Level Software Engineers
The Boeing Company
Berkeley, MO
+ Collaboration & Communication: Work closely with cross-functional teams including development, QA, security, and physical lab team to align deployment strategies, testing requirements,…
Added 1 hour ago
J
Senior Software Development Engineer, Backend
Jobgether
Remote, United States
- $156,200 to $262,600 USD / year
The Senior Software Development Engineer will help shape and build a modern internal cloud platform that enables engineering teams to provision and manage infrastructure through reliable,…
Added 1 hour ago
Interoperability Engineer I / II / SR (Workday/UKG)
Jobgether
Remote, United States
The Interoperability Engineer will design, develop, and maintain enterprise integration solutions that enable secure and reliable data exchange across complex technology environments. This…

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.

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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

Original job description

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