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Added 7 mins ago
O
Lead Software Engineer - City
OKC
OKLAHOMA CITY, OK · Oklahoma City, OK
- $39.52 to $60.39 USD / hour
At the City of Oklahoma City, our Total Rewards package is designed to honor your service, fuel your growth, and support every part of your life. We offer:
Added 12 mins ago
Lead Director Product Membership
CVS Health
Remote, United States
In this high-impact leadership role, you will manage a dedicated cross-functional engineering and technical team (comprising Software Development Engineers, Data Engineers, Salesforce…
Added 13 mins ago
Neutron, Gamma, and Particle Sensing Systems Engineer (R&D Engineer 4)
Los Alamos National Laboratory
Los Alamos, NM
The Space Systems Engineer is a recognized technical expert in the development, testing, and operation of spaceflight payloads, provides technical and programmatic reporting to internal and…
Added 13 mins ago
Mechanical Engineering DE Analysis, Mid-level to Senior
AeroVironment
Albuquerque, NM
AeroVironment is seeking a Mechanical Engineer with a strong background in engineering analysis to support the development of advanced directed energy systems. This role will focus on the…
Added 13 mins ago
Senior Security GRC Engineer, AI & Automation
American Express Global Business Travel
Santa Fe, NM
AmexGBT’s Security GRC team is looking for a talented Senior Security GRC Engineer to design, build, and scale automation and AI-driven solutions that modernize our governance, risk, and…
Added 13 mins ago
AT
Senior Software Engineer
Akamai Technologies, Inc.
Santa Fe, NM
- $121,400 to $218,600 USD / year
As a Software Engineer Senior, you will be responsible for:
Added 13 mins ago
Director - Customer Response Engineering
Trellix
Santa Fe, NM
Partner with Technical Support, Customer Success, Product Management, and Engineering so issues reach the right engineer fast and customer feedback reaches the roadmap.
Added 13 mins ago
AI Operations Administrator - Gravitee - Remote US
SitusAMC
Santa Fe, NM
The AI Operations Administrator is a member of the IT Engineering & Operations function, responsible for the administration, configuration, and day-to-day operation of SitusAMC’s enterprise…
Added 13 mins ago
GA
Sr Staff Applications Operations Engineer – Engineering Tools Automation & AI Ops
GE Aerospace
Santa Fe, NM
- $131,000 to $174,000 USD / year
Responsible for supporting and maintaining critical applications and related data processing platforms and services. Ensure the team has the facilities, tools, resources and skills they…
Added 19 mins ago
GA
Sr Staff Applications Operations Engineer – Engineering Tools Automation & AI Ops
GE Aerospace
Providence, RI
- $131,000 to $174,000 USD / year
Responsible for supporting and maintaining critical applications and related data processing platforms and services. Ensure the team has the facilities, tools, resources and skills they…
Added 23 mins ago
Senior Data Engineer
Altamira Technology Corporation
Suitland, MD
Position Description: Data Engineer supports the design, development, and maintenance of data pipelines, data models, and analytics platforms.
Added 23 mins ago
Principal Microelectronics Semiconductor Manufacturing Engineer/Sr. Principal Microelectronics Semiconductor Manufacturing Engineer
Northrop Grumman
Elkridge, MD
Northrop Grumman Mission Systems Manufacturing Operations Engineering Team in Baltimore/Elkridge, MD seeks a Principal Microelectronics Semiconductor Manufacturing Engineer / Sr. Principal…
Added 23 mins ago
Senior Software Engineer (Ansible Automation)
Sealing Technologies
Columbia, MD
Sealing Technologies, a Parsons Company, is looking to hire a talented and experienced Software Engineer to join our dynamic team of engineers delivering cutting-edge solutions. You will be…
Added 23 mins ago
M
FLEX Android Senior Software Engineer
Marriott
Bethesda, MD
- $48.26 to $86.58 USD / hour
You’ll collaborate with top-tier talent - including Principal Engineers, Engineering Directors, Solution Architects, Product Leads, UX Designers, QA Engineers and more - to deliver…
Added 23 mins ago
Senior Data Scientist/Engineer and Application Developer
Deloitte
Baltimore, MD
Deloitte is seeking a Data Engineer III to support the design, development, and delivery of data solutions that enable analytics, reporting, and business decision-making. This role will…
Added 23 mins ago
EG
Senior AI Engineer
Eliassen Group
Aberdeen Proving Ground, MD
- $80 to $90 USD / hour
Our client seeks an AI Engineer to support CECOM ASIC in developing and deploying AI/ML models, agentic AI systems, analytics solutions, and automation workflows that drive Army readiness…
Added 37 mins ago
EC
Senior Manufacturing Engineer
Eaton Corporation
Arden, NC
- $86,000 to $126,000 USD / year
…gauges, material handling, and process documentation. You will support day-to-day manufacturing operation as part of cross-functional High Performance Work Team, which includes collection…
Added 37 mins ago
Senior Staff AI / ML Solutions Engineer
ThermoFisher Scientific
Morrisville, NC
We have a new opening within the Clinical Research Group (CRG) of Thermo Fisher for a Senior Staff AI/ML Solutions Engineer to support the Finance organization and serve as the hands-on…
Added 37 mins ago
Senior Cyber Platform Engineer
MetLife
Cary, NC
Provide advanced technical support and troubleshooting for complex security platform issues and business-impacting incidents, serving as a senior escalation resource.
Added 37 mins ago
Sr. Reliability Engineer
Chemours
Fayetteville, NC
Chemours is seeking a Senior Reliability Engineer to join our Asset Care team. This position will be located at an APM Manufacturing Site and report directly to the Manufacturing Excellence…
Added 37 mins ago
Senior Machine Learning Engineer III ***Raleigh, NC***
RELX INC
Raleigh, NC
Are you looking to develop your Machine Learning Engineer career?
Added 37 mins ago
Software Development Engineer, DevX LIFT
Amazon
Raleigh, NC
…communication skills to mentor other engineers and provide training and support for our technologies. You will have access to senior leadership and engineering…
Added 38 mins ago
Senior Embedded Systems Verification Engineer
Eaton Corporation
Raleigh, NC
Eaton’s Critical Power Solutions Division (CPS) is seeking an Embedded Systems Verification Sr. Engineer. This position can be based on a hybrid basis in Raleigh, NC. Relocation is…
Added 38 mins ago
C
Senior Site Reliability Engineer (Open for Remote)
Cognizant
Charlotte, NC
- $79,240 to $133,500 USD / year
As a Senior Site Reliability Engineer, you will make an impact by strengthening the reliability, stability, availability, and operational performance of a mission-critical application…
Added 38 mins ago
C
Senior Site Reliability Engineer (Open for Remote)
Cognizant
Charlotte, NC
- $79,240 to $133,500 USD / year
As a Senior Site Reliability Engineer, you will make an impact by strengthening the reliability, stability, availability, and operational performance of a mission-critical application…

Closed listing

General Dynamics Information Technology

Sr. Network Security Engineer

Bethesda, MD, United States

The likely salary range for this position is $142,792 - $172,500.

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 $142,792 - $172,500.
Posting language: English
Posted: Nov 6, 2026

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Original job description

Archived listing. The details below describe a past opening.

Req ID: RQ230990

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:

Cisco ASA Firewall,Cisco Firewall Security,Cisco Identity Services Engine (ISE),Cisco IPS,Cisco NAC

Certifications:

Cisco Certified Network Professional (CCNP) Security | Cisco - Cisco

Experience:

10 + years of related experience

Job Description:

The Senior Network Security Engineer is responsible for the configuration, deployment, and management of the customer’s NAC solution in a 24x7x365 environment. The senior engineer is accountable for but not limited to monitoring, configuration changes, accounts, and software updates for the customer’s NAC, Cisco ISE and IDS/IPS solutions. 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 these solutions are performing to standard.

This position is located at 6555 Rock Spring Drive, Bethesda, MD travel is primarily local in the DC metro area.

Responsibilities:

Collaborate in the Architecture and Administration of LAN technologies of Cisco Switches and Cisco ASA Firewalls
Collaborate in the architecture and Administration of Network Access Control systems including but not limited Cisco ISE, Forescout, Cisco ACS, RSA, Cisco AnyConnect, Gigamon, IDS/IPS.
Troubleshoot and problem solve a wide variety of client/user issues and act as an escalation point for LAN/NAC related issues
Work closely with other IT functional teams to ensure cohesive support and strategies across the IT organization
Support the development of project schedules and execute as authorized
Maintain relationships with key Third-Party software/hardware vendors to provide support to the infrastructure as needed.
Provide daily support for tickets: service requests, incidents, problems, and tasks
Execute tasks to support projects
Provide regular updates to tickets
Produce daily/weekly status reports
Develop and execute change request plans
Identify appropriate security access control solutions to satisfy customer business objectives/requirements
Develop High-Level Designs (HLDs) and Low-Level Designs (LLDs)
Document physical and logical topologies for security solutions
Develop High-Level task lists/Work Breakdown Structure (WBS)
Determine the Level of Effort (LOE) for service/solutions
Develop Bills of Materials (BOMs) and participate in the decision-making process for the acquisition of current/new technologies for the customer environment
Document solution risks, issues and mitigation strategies
Create and maintain network diagrams
Provide Subject Matter Expertise for network security technologies
Meet with management and the customer to present and discuss design and implementation efforts

Required Skills:

BS degree in Computer Science, Information Systems or equivalent.
Must have a minimum of 10 years of experience implementing and maintaining Network Access Control technologies (Cisco IDS/IPS, ISE, Forescout, Cisco AnyConnect, etc.)
Must have minimum 10 years of experience in a Network Engineering role.
Experience with network infrastructure in enterprise datacenter solutions.
Experience with mid to large scale implementations of Network Access Control technologies.
Ability to obtain/maintain a Public trust which requires background check, fingerprints, etc.

Desired Skills:

Cisco CCNA/CCNA/Security, CCNP/CCNP Security, CCIE certifications
Cisco SISE certification
Forescout FSCA/FSAA/FSCE certifications
Experience with Cisco wireless LAN controllers.
Experience with Forescout security products.
Experience configuring Cisco ASAs and switches.
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 with ServiceNow and Visio is an asset

The likely salary range for this position is $142,792 - $172,500. 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

About employer

More about this job

Skills

Risk management
IPS
CCNP
IDS
Troubleshoot
LAN
Microsoft Access
Control systems
Cisco AnyConnect
Decision making
Computer science
CCNA
Microsoft Windows
Linux
Apple iOS

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