Find work in the United States.

6,150,280 jobs across our US network. How we count

Jobs in the United States

25+ jobs

Save this search

Added just now
Quality Engineer II
PAI Holdings LLC
Greenville, SC
The Quality Engineer II independently leads standard deviation investigations related to manufacturing, packaging, material handling, and laboratory support activities. This role performs…
Added 1 min ago
II
Senior Mechanical Engineer
IWUSA INC
Mt. Laurel, NJ
- $100,000 to $130,000 USD / year
The Sr. Mechanical Engineer is responsible for supporting customer quoting, injection mold-tooling development, and new product introduction (NPI) through successful launch into production.…
Added 1 min ago
Development Engineer II
Amro Fabricating Corporation
Mukilteo, WA
Contributes to test planning and execution, including test design, procedure development, data collection, data reduction, analysis, and reporting.
Added 1 min ago
Building Engineer I
Lincoln Property Company
Chicago, IL
The Building Engineer I is responsible for maintaining, operating, and troubleshooting building systems, including HVAC, plumbing, and electrical systems. This role focuses on performing…
Added 1 min ago
NAMS2 - Software Engineer
Crown Innovations, Inc.
Mountain View, CA
Crown is looking for an experienced Software Engineer to work on the NAMS-2 project in Mountain View, CA to:
Added 1 min ago
CI
Software Verification & Test Engineer
Crown Innovations, Inc.
Remote, United States
- $100,000 to $150,000 USD / year
Crown Innovations is seeking an experienced Aviation Software Verification & Test Engineer to support the development, verification, and certification of advanced aviation navigation…
Added 1 min ago
Cost Analyst
AQUATECH INTERNATIONAL LLC
Canonsburg, PA
…hours are Monday – Friday 8:00 am to 5:00 pm. The Estimation Engineer will perform the duties described in the job description below and will be considered an Exempt…
Added 1 min ago
Senior Associate, Systems Engineer (Palm Bay, FL)
L3Harris Technologies
Palm Bay, FL
Lead coordination with System Integration and Test engineer responsible for the assembly, integration, and testing of payload & space vehicle subsystems including power, attitude control,…
Added 1 min ago
Lead, Software Engineer (DevOps Engineer)
L3Harris Technologies
Colorado Springs, CO
Develop services that support concurrent training scenarios, including execution coordination, scenario-data management, and lifecycle operations.
Added 1 min ago
Senior Software Engineer
PDW
Huntsville, AL
Now, we’re entering a new phase of growth and are looking for an experienced software engineer to join our team, contributing to the next wave of system and tool development for our…
Added 1 min ago
Staff Machine Learning Engineer
MCG Health
Remote, United States
The Staff Machine Learning Engineer is a senior individual contributor responsible for building and evolving the machine learning engineering capabilities that enable continuous improvement…
Added 1 min ago
Automotive E/E Harness Design Engineer
LEONI
Farmington Hills, MI
LEONI is a global provider of products, solutions, and services for energy and data management in the automotive industry. The group of companies has around 95,000 employees in 23 countries…
Added 2 mins ago
SI
Principal Member of Technical Staff (PMTS) / Staff Software Engineer – AI Platform (Agentic Systems)
Salesforce, Inc.
CA · WA
- $197,300 to $344,700 USD / year
As a Principal Member of Technical Staff (PMTS) / Staff Software Engineer on the Agentic Operations team, you will set the technical direction and architecture for how Slack builds,…
Added 2 mins ago
SI
Senior Director of Solution Consulting
Salesforce, Inc.
CA · WA
- $223,860 to $329,210 USD / year
You are an Agentic Engineer leader - you and your team build with Claude and similar AI coding tools, using agent loops, tool use, and well-grounded context engineering to ship demos and…
Added 2 mins ago
TT
Founding Member of Technical Staff, Markets
True Talent Solutions Partners
Palo Alto, CA
- $200,000 to $300,000 USD / year
- Build and extend data pipelines, trading signals, and research infrastructure.
Added 2 mins ago
Senior AI Polyglot Engineer
Mitsui Sumitomo Marine Management (USA), Inc.
Warren, NJ
…rather than operate exclusively as a frontend, backend, or data engineer. You will collaborate closely with business stakeholders, product colleagues, adjacent domain teams, and shared…
Added 2 mins ago
TT
Senior Software Engineer, Core Systems
True Talent Solutions Partners
San Francisco, CA
- $215,000 to $275,000 USD / year
…AI-assisted diagnosis. You will own foundational systems across data ingestion, storage, and distributed model…
Added 2 mins ago
TT
Staff Software Engineer, Infrastructure
True Talent Solutions Partners
San Francisco, CA
- $200,000 to $300,000 USD / year
- Experience supporting substantial user or data scale, ideally in a startup or growth-stage environment.
Added 2 mins ago
TT
Software Engineer
True Talent Solutions Partners
Seattle, WA
- $140,000 to $240,000 USD / year
Join a fintech team building AI-powered software that helps institutional investment teams manage financial data and automate reporting. You will work across the product, from…
Added 2 mins ago
TT
Senior Software Engineer, Design
True Talent Solutions Partners
Remote, United States
- $150,000 to $350,000 USD / year
Join a fintech product team as a senior engineer focused on design and frontend craft. You will shape intuitive experiences for complex mortgage workflows, from early design concepts…
Added 2 mins ago
TT
Member of Technical Staff, Full Stack
True Talent Solutions Partners
San Francisco, CA
- $180,000 to $200,000 USD / year
…This backend-leaning full-stack role combines ownership of data systems and workflows with shipping the product features that make them…
Added 2 mins ago
TT
Data Engineer, Data Product
True Talent Solutions Partners
New York, NY
- $180,000 to $225,000 USD / year
Join a data product team at an AI company, turning complex consumer data into trusted, production-ready products. Your work will connect data engineering and applied data science,…
Added 2 mins ago
TT
Senior/Staff Software Engineer
True Talent Solutions Partners
New York, NY
- $180,000 to $270,000 USD / year
- Design data infrastructure that ingests, normalizes, and reconciles information from financial and business systems.
Added 2 mins ago
Data Engineer- Remote
ICF Incorporated, LLC
Reston, VA
…into structured, digital processes, while enabling seamless data integration across systems using MuleSoft APIs. The work directly supports enhanced analytics, reporting, and operational…
Added 3 mins ago
Systems Engineer II
Mlt Systems
Stafford, VA
…fulfill their passion for service. In support of Product Manager Engineer Systems, we are seeking a Systems Engineer II with experience in supporting DOW Federal acquisition programs;…

Closed listing

GD Information Technology, Inc.

Sr. Network Security Engineer

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.

Find open jobs More jobs with this employer

About employer

Job details

Pay: The likely salary range for this position is $142,792 - $172,500.
Posting language: English
Posted: Nov 5, 2026

Similar jobs hiring now

No close matches right now. Try another title or a wider area.

Search current openings

Original job description

Archived listing. The details below describe a past opening.

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

None

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other Required:

NACI (T1)

Job Family:

Cyber and IT Risk Management

Job Qualifications:

Skills:

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

NoneExperience:

10 + years of related experienceUS Citizenship Required:

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.

Scheduled Weekly Hours:

Travel Required:

None

Telecommuting Options:

Hybrid

Work Location:

USA MD Bethesda

Additional Work Locations:

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 atgdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

About employer

Report this job