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Added 26 mins ago
Principal Offensive Security Engineer
Alteryx, Inc.
Remote, United States
Alteryx is searching for a Principal Offensive Security Engineer in the United States. Join a team that values diverse perspectives, technical curiosity, and collaboration to improve the…
Added 1 hour ago
M
Principal Software Engineer
Microsoft
United States
- $142,800 to $304,200 USD / year
…infrastructure for provisioning and managing our cloud-scale physical network. This work spans router hardware, operating systems - including Microsoft’s SONiC - configuration, optical…
Added 2 hours ago
IL
Principal Engineer, SCADA Engineering- R10878
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Corinth, MS
- $155,000 to $182,500 USD / year
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Added 3 hours ago
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Added 4 hours ago
Senior Principal Digital Hardware Engineer
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Baltimore, MD
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Northrop Grumman
Baltimore
Northrop Grumman Mission Systems (NGMS) is currently seeking a Sr Principal Quality Engineer to join our team at the BWI site in Baltimore, MD.
Added 4 hours ago
Principal/ Sr. Principal Electronic Network Engineer
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Added 4 hours ago
An Electronic Network Engineer (Level 2 or 3)
Northrop Grumman
Palmdale · San Diego
This position may be filled either at the Electronic Network Engineer level OR at the Principal Electronic Network Engineer level based on the qualifications listed.*
Added 4 hours ago
Sentinel Sr Principal Software Engineer - 20459
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Roy
Northrop Grumman Defense Systems would like you to join our team as a Sr Principal Software Engineer. This position will be located in Roy, UT and will support the Sentinel Program.…
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Principal / Senior Principal Cyber Systems Engineer
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We are seeking a Senior Principal Platform DevOps Engineer with a strong background in Windows systems engineering, cloud infrastructure, and automation to join the DPG team. This role…
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Senior Principal Software Application Security
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Support studies on cyber efforts, acting as the principal cybersecurity advisor to the ETO Chief Engineer (CE).
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Principal Software Development Engineer in Test
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SAIC is seeking a Principal Software Development Engineer in Test (SDET) to join the Joint Range Extension (JRE) software development team.
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Cloud Architect
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Remote, United States
2+ years of experience supporting software development projects utilizing cloud technologies. (Past roles may include systems architect, software developer, and/or systems engineer.)
Added 6 hours ago
Security Engineer III
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Conducts security risk assessments and compliance audits and makes recommendations regarding levels of risk by identifying potential information and network security vulnerabilities.
Added 7 hours ago
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Added 7 hours ago
Sr Leader, SDET
loanDepot
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Minimum five (5) + years of experience in a Lead SDET, Principal Engineer, Architect, Staff Engineer or comparable technical leadership role.

GD Information Technology, Inc.

Network Engineer Principal - TS/SCI with Polygraph

United States

The likely salary range for this position is $142,792 - $161,000.

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Job details

Pay: The likely salary range for this position is $142,792 - $161,000.
Experience: ● Experience: 8+ years of related experience
Posting language: English
Posted: Nov 3, 2026

Original job description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Data Communication, Network Engineering, Network ManagementCertifications:

NoneExperience:

8 + years of related experienceUS Citizenship Required:

Yes

Job Description:

NETWORK ENGINEER PRINCIPAL

Transform technology into opportunity as a Network Engineer Principal at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career.

MEANINGFUL WORK AND PERSONAL IMPACT

As a Network Engineer Principal, the work you’ll do at GDIT will be impactful to the mission of client.

Analyzes customer requirements and provides technical solutions to a wide range of difficult problems.
Performs Radio Frequency site surveys, analyze network performance, configure access points/controllers, and troubleshoot connectivity issues. Key requirements include expertise in 802.11 standards, Cisco/Aruba or Bastille hardware.
Plans, designs, and deploys network infrastructure (routers, switches, firewalls, load balancers, and wireless devices).
Has strong understanding of networking protocols (TCP/IP, OSPF, BGP), VLANs, DNS, and OSI models.
Understand Risk Management Frame process to support IA team with Authority To Operate activities.
Performs maintenance and upgrade of networks including servers, routers, switches, firewalls, remote access systems, and networks. Be well versed in a multi-vendor environment for layer 2/3 switching and routing protocols (e.g., OSPF, BGP, etc.), Network management solutions, as well as virtual and cloud-hosted networking technologies.
Installs, configures, and maintains entire physical networking Wireless Intrusion Detection System (WIDS) infrastructure. Oversee the WIDS implementation, System Development Life Cycle (SDLC), and system/ network administration activities.
Operations & Maintenance to include system administration, information assurance, and storage management to all WIDS architectures. Analyzing network performance, resolving, and providing Tier-2/Tier-3 support for network and WIDS incidents.
Maintains network integrity and connectivity while ensuring compliance with policies and maintains system backup and recovery capability.
Must utilize network monitoring applications for traffic, access, and performance of entire network. Ensuring network reliability through continuous monitoring, proactive maintenance, and system upgrades.
Creates and updates technical documentation for network configuration, topology, and mapping.
Provide recommendations related to understanding operating system dependencies, physical and virtual server environments, integration with infrastructure resources (e.g. storage and networking), and how to configure operating systems and applications in an efficient manner.
Coordinates the acquisition of hardware and software as well as subcontractor services as needed.
Evaluates new network solution, capabilities, and technologies to enhance capabilities of the network.
Subject matter expert to escalate all IT issues to leadership.
Participates in special projects as required.

WHAT YOU’LL NEED TO SUCCEED

Bring your engineering expertise along with a drive for innovation to GDIT. The Network Engineer Principal must have:

Education: Bachelor of Arts/Bachelor of Science
Experience: 8+ years of related experience
Technical skills: Westfields experience, Wireless Intrusion Detection System (WIDS) implementation, System Development Life Cycle, system/network administration activities, Windows and Linux systems experience a must.
Security clearance level: TS/SCI with polygraph
US citizenship required
Role requirements: Onsite client and travel required

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

Growth: AI-powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY

Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

The likely salary range for this position is $142,792 - $161,000. 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:

25-50%

Telecommuting Options:

Onsite

Work Location:

USA VA Chantilly

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

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More about this job

Skills

Communication skills
IMPACT
Troubleshoot
OSPF
BGP
DNS
Risk management
Network administration
Manage alarm system
WIDS
System administration
Ensure compliance with policies
Documentation
Microsoft Windows
Linux

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