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Added 5 mins ago
NAVWAR Engineer
UIC Government Services and the Bowhead Family of Companies
Kirtland AFB, NM
Design and implement testing of RF and other hardware portions of software defined radio frameworks
Added 5 mins ago
R&D Engineer 2/3
Los Alamos National Laboratory
Los Alamos, NM
…tasks. The selected candidate will apply technical expertise in hardware design, fabrication, and knowledge of engineering practices/theory to meet programmatic deliverables. The successful…
Added 5 mins ago
Systems Engineer (R&D Engineer 2 or 3)
Los Alamos National Laboratory
Los Alamos, NM
Among other responsibilities, the Target Experimental and Support Team (AOT-OPS:TESTeam) spearheads the design, development, and construction of experimental end stations aimed at…
Added 5 mins ago
R&D Engineer 2/3
Los Alamos National Laboratory
Los Alamos, NM
This position will be filled at either the R&D Engineer 2 or R&D Engineer 3 level, depending on the qualifications and experience of the selected candidate. Additional responsibilities will…
Added 5 mins ago
R&D Engineer 3/4
Los Alamos National Laboratory
Los Alamos, NM
…tasks. The selected candidate will apply technical expertise in hardware design, fabrication, and knowledge of engineering practices/theory to meet programmatic deliverables. The successful…
Added 5 mins ago
R&D Engineer 3
Los Alamos National Laboratory
Los Alamos, NM
R&D Engineer 3 ($128,000-$215,900) will lead the design, analysis, fabrication, assembly, and/or deployment of spaceflight and flight-like hardware. Act as a technical leader and mentor…
Added 5 mins ago
Shock and Vibration Test Engineer (R&D Engineer 2/3)
Los Alamos National Laboratory
Los Alamos, NM
This position will be filled at either the R&D Engineer 2 or 3 level, depending on the skills of the selected candidate. Additional job responsibilities (outlined below) will be assigned if…
Added 5 mins ago
Structural Dynamics Engineer (R&D Engineer 2/3)
Los Alamos National Laboratory
Los Alamos, NM
…level testing that includes project initiation, experimental design and analysis, hardware design and analysis, and fabrication for small component level up to full scale integrated tests.…
Added 5 mins ago
Early-Career R&D Electrical Engineer - System Test and Integration, Onsite
Sandia National Laboratories
Albuquerque, NM
We are seeking a highly motivated Electrical Engineer to join our ND system-level tester development team. This small, focused team is responsible for the design, development, and delivery…
Added 5 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 5 mins ago
Cloud Engineer
Maximus
Santa Fe, NM
Maximus is seeking a Cloud Engineer to support a defense client remotely.
Added 5 mins ago
Network Operations Engineer
Meta
Santa Fe, NM
Meta is seeking a Network Operations Engineer to join our Edge and Network Services (ENS) Foundation NetOps team. In this role, you will utilize your knowledge in hyperscale data center…
Added 6 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
Serve as the senior technical operations authority across engineering application pods (software, hardware and electronic design, and project and portfolio management tools) for US and UK…
Added 11 mins ago
Cloud Engineer
Maximus
Providence, RI
Maximus is seeking a Cloud Engineer to support a defense client remotely.
Added 11 mins ago
GA
Sr Staff Applications Operations Engineer – Engineering Tools Automation & AI Ops
GE Aerospace
Providence, RI
- $131,000 to $174,000 USD / year
Serve as the senior technical operations authority across engineering application pods (software, hardware and electronic design, and project and portfolio management tools) for US and UK…
Added 15 mins ago
Principal Microelectronics Semiconductor Manufacturing Engineer/Sr. Principal Microelectronics Semiconductor Manufacturing Engineer
Northrop Grumman
Elkridge, MD
…highest quality. The microelectronics semiconductor manufacturing engineer will support our highly automated SMT manufacturing environment. Manufacturing engineers are the process owners…
Added 16 mins ago
Senior Software Engineer (Ansible Automation)
Sealing Technologies
Columbia, MD
…globe to solve complex challenges with speed and confidence. We design, engineer, and deliver products and deployable technologies built for environments where traditional infrastructure…
Added 16 mins ago
Software Engineer (Infrastructure Automation)
Sealing Technologies
Columbia, MD
…globe to solve complex challenges with speed and confidence. We design, engineer, and deliver products and deployable technologies built for environments where traditional infrastructure…
Added 16 mins ago
Principal/Senior Principal Electronics Engineer
Northrop Grumman
Baltimore, MD
Design and support of flexible Hardware & Software test solutions for digital and RF products
Added 16 mins ago
Network Implementation Engineer
BOOZ, ALLEN & HAMILTON, INC.
Fort Meade, MD
…support of voice, data, security, and audio and visual systems. Design engineered drawings, specifications, reports, and other technical documents. Work closely with other IT and facilities…
Added 30 mins ago
Lead NASCAR Aerodynamics Engineer
Oshkosh Corporation
Huntersville, NC
…simulation tools. Working closely with the internal team of Aero/CFD/Design Engineers and Fabricators along with team resources, you will employ and develop the most modern methods…
Added 30 mins ago
Software Development Engineer, DevX LIFT
Amazon
Raleigh, NC
…a strong, high-quality, and dependable engineering org. We design the future and better their daily-lives. You will join us to influence, innovate, and raise the bar in this…
Added 30 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 42 mins ago
TT
Senior Software Engineer, Autonomous Systems
True Talent Solutions Partners
Palo Alto, CA
- $145,000 to $275,000 USD / year
- Design, implement, and optimize mission-critical software for autonomous systems.
Added 49 mins ago
Senior Design Engineer
Divergent
Torrance, CA
This Design Engineer role involves bridging design and production, creating and optimizing innovative product designs for manufacturability, collaborating with cross-functional teams, and…

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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