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Added 1 min ago
GA
Principal Technical Product Manager, Data & Platform
GE Aerospace
Providence, RI
- $152,000 to $222,000 USD / year
Partner on infrastructure. Work with CTO Architecture & Data, which owns the Amazon Web Services (AWS) tech stack, the Data Flow Engine, and architecture review, so platform needs are…
Added 2 mins ago
GA
Sr Staff Applications Operations Engineer – Engineering Tools Automation & AI Ops
GE Aerospace
Providence, RI
- $131,000 to $174,000 USD / year
Experience leveraging AI-enabled operational tools and automation to streamline infrastructure support, reduce manual effort, and improve service reliability.
Added 5 mins ago
S
Senior Director, Strategic Offers & Storytelling
Sodexo
NORTH BETHESDA, MD
- $156,230 to $242,550 USD / year
Experience working across enterprise technology domains such as applications, infrastructure, digital products, data analytics, and AI solutions.
Added 5 mins ago
Program Manager w/Public Trust
TekSynap
Suitland, MD
…all contract operations supporting a large federal enterprise infrastructure and end-user support environment. Serve as the primary interface with Government leadership and oversee delivery…
Added 5 mins ago
SAP Middleware Developer
Maximus
Aberdeen Proving Ground, MD
The SAP Middleware Developer maintains, enhances, supports, and administers SAP Process Integration (PI) interfaces and associated middleware technologies. The role supports the design,…
Added 6 mins ago
Lead DevSecOps Engineer
Leidos
Gaithersburg, MD
Develop and maintain infrastructure-as-code (IaC) using Terraform for repeatable environments
Added 6 mins ago
DevSecOps Security Engineer
Leidos
Gaithersburg, MD
Implement and maintain automated security controls in CI/CD pipelines , including SAST, DAST, software composition analysis, container scanning, and infrastructure-as-code scanning.
Added 6 mins ago
IT Cybersecurity Specialist (INFOSEC)
Defense Information Systems Agency
Fort Meade, MD
…CES Occupational Structure. It is located in the DISA - OC/INFRASTRUCTURE DIRECTORATE. Responsibilities Serves as a senior specialist in Cybersecurity Management. Oversees the cybersecurity…
Added 6 mins ago
Systems Administrator (Skillbridge Intern 1) - 31053
Huntington Ingalls Industries
Columbia, MD
…resolution of client workstations, internal networks, and cloud infrastructure in a hybrid…
Added 6 mins ago
Senior Software Engineer (Ansible Automation)
Sealing Technologies
Columbia, MD
…deployable technologies built for environments where traditional infrastructure falls…
Added 6 mins ago
Software Engineer (Infrastructure Automation)
Sealing Technologies
Columbia, MD
…deployable technologies built for environments where traditional infrastructure falls…
Added 6 mins ago
Data Center Manager Nights, Data Center Operations
Amazon
Frederick, MD
Manage a team that maintains cloud infrastructure for global data center operations! AWS is looking for technology managers with experience in people management, strong technical…
Added 6 mins ago
M
FLEX Android Senior Software Engineer
Marriott
Bethesda, MD
- $48.26 to $86.58 USD / hour
…cutting-edge capabilities that meet both current and future developer and user…
Added 6 mins ago
M
AI Administrator
ManpowerGroup
Bethesda, MD
- $58 to $62 USD / hour
Collaboration with AI Architects, AI/Automation Engineers, IT Infrastructure, Enterprise Application Development, and Information Security teams.
Added 6 mins ago
Director, Network Observability & Compliance
Marriott
Bethesda, MD
…reliability, visibility, and security of our global network infrastructure. The successful candidate will be responsible for designing and implementing observability frameworks that provide…
Added 6 mins ago
Communications & Public Involvement Coordinator
WSP USA
Baltimore, MD
The position will support communications and public engagement efforts for a variety of transportation infrastructure projects in the Mid-Atlantic region. The position may also support…
Added 6 mins ago
AI Automation Engineer
ManpowerGroup
Bethesda, MD
…stakeholders, AI Business Liaisons, application developers, infrastructure teams, and security professionals. The ideal candidate will have strong software engineering fundamentals,…
Added 7 mins ago
Technical Recruiter
Internet 2
United States
…organization. Founded in 1996, we provide high-performance infrastructure and integrated cloud solutions, a secure trust fabric, and collaborative forums that allow U.S. higher education…
Added 13 mins ago
RQ228116 NCIS Network Engineer | Shift Work | Active TS/SCI clearance
GD Information Technology, Inc.
United States
Added 13 mins ago
Project/Task Lead – Network Engineering
GD Information Technology, Inc.
United States
Change Management, Enterprise Network, Information Technology Infrastructure Library (ITIL), IT Project & Program Management, Standard Operating Procedure (SOP)Certifications:
Added 13 mins ago
Lead Cloud Architect
GD Information Technology, Inc.
Remote, United States
General Dynamics Information Technology (GDIT) seeks a Lead Cloud Architect to join our innovative cloud infrastructure team. In this role, you will collaborate directly with our federal…
Added 13 mins ago
Field Engineer
GD Information Technology, Inc.
United States
Install, relocate, and support network infrastructure, including fiber-optic and Category 5 cabling.
Added 13 mins ago
COMSEC Responsible Officer (CRO) - TS/SCI with Polygraph
GD Information Technology, Inc.
United States
…essential to maintaining the integrity of classified communications infrastructure and safeguarding sensitive operations for our contract and customer organization within the…
Added 13 mins ago
Assured Compliance Assessment Solution (ACAS) Administrator
GD Information Technology, Inc.
United States
Added 18 mins ago
T
Sr Manager, Information Security (Bilingual in Chinese)
TransGlobal
Diamond Bar, CA
- $120,000 to $150,000 USD / year
The Sr Manager, Information Security leads the company's global IT infrastructure, cybersecurity, and US-based vendor and services management. Reporting to the CTO, this role owns the…

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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