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Added 1 min ago
Senior Software Engineer, EW
Anduril Industries
Costa Mesa, CA
…next-generation electronic warfare platform. As an Embedded software engineer, you’ll develop high-performance implementations of numerical algorithms, collaborate with digital systems…
Added 1 min ago
IS
Embedded Linux Software Engineer
Impulse Space
Redondo Beach, CA
- $120,000 to $180,000 USD / year
Impulse Space is seeking a Embedded Linux Software Engineer to develop and maintain the foundational software stack that powers our avionics platforms. This role requires deep expertise in…
Added 6 mins ago
Sentinel Sr Principal DevOps Engineer - 18893
CORP-Corporate Office
United States
Design and develop infrastructure as code (IaC)
Added 6 mins ago
TT
Technical Product Manager
True Talent Solutions Partners
New York, NY
- $175,000 to $275,000 USD / year
- Build and ship internal AI agents that can deliver code, maintain company knowledge, and complete end-to-end workflows.
Added 9 mins ago
AI
Database Engineer
Applied Information Sciences, Inc
Remote, United States
- $90,000 to $137,000 USD / year
…position, we are seeking a talented individual to join AIS as a Infrastructure…
Added 11 mins ago
Staff Software Engineer - Agent Observability (Galileo)
Cisco
San Jose, CA
Contribute hands-on production code in Python and/or Go, lead technical design and code reviews, mentor engineers, and drive architectural decisions that improve product performance,…
Added 15 mins ago
Security Engineer II, Security Platform
Remitly, Inc.
United States
…employees, and AI agents. You will work alongside a Staff Security Engineer and turn useful internal security tools into supported services that teams across the company rely…
Added 15 mins ago
Security Engineer II, Corporate Security
Remitly, Inc.
United States
…controls that keep Remitly's workforce secure, and ship the code and agents that run them. You will partner with IT and engineering teams to deliver paved roads that raise our security bar…
Added 17 mins ago
Engineer, Software - Core & IP Services Automation
T-Mobile USA, Inc.
Bellevue, WA
Build with AI, engineer with judgment. Use AI-assisted development tools to accelerate coding, testing, and problem-solving while applying strong software engineering fundamentals to…
Added 27 mins ago
Senior Software Engineer (Agentic SW Development and Infrastructure)
Lockheed Martin
Manassas, VA · Manassas
- Experience in Automation & DevOps, including CI/CD definition, Infrastructure as Code (IaC), automated testing, and release pipeline construction.
Added 28 mins ago
Software Engineer - E2
Lockheed Martin
Fort Worth, TX · Fort Worth
Experience with infrastructure as code using Helm or similar software
Added 28 mins ago
Software Engineer Sr - E3
Lockheed Martin
Fort Worth, TX · Fort Worth
Experience with infrastructure as code using Helm or similar software
Added 28 mins ago
Software Engineer Sr - E3
Lockheed Martin
Fort Worth, TX · Fort Worth
Experience with infrastructure as code using Helm or similar software
Added 28 mins ago
Dev Sec Engineering Stf - E4
Lockheed Martin
Marietta, GA · Fort Worth, TX · Palmdale, CA · Marietta · Fort Worth · Palmdale
Lockheed Martin Aeronautics is seeking an experienced DevSecOps Engineer to design, implement, and optimize secure software delivery pipelines and cloud infrastructure. In this role, you…
Added 28 mins ago
Dev Sec Engineering Sr - E3
Lockheed Martin
Fort Worth, TX · Marietta, GA · Palmdale, CA · Fort Worth · Marietta · Palmdale
Lockheed Martin Aeronautics is seeking an experienced DevSecOps Engineer to design, implement, and optimize secure software delivery pipelines and cloud infrastructure. In this role, you…
Added 28 mins ago
Dev Sec Engineering - E2
Lockheed Martin
Fort Worth, TX · Marietta, GA · Palmdale, CA · Fort Worth · Marietta · Palmdale
Lockheed Martin Aeronautics is seeking a DevSecOps engineer. In this role, you will manage GitLab pipelines, IaC, and cloud infrastructure. The successful candidate will have experience…
Added 29 mins ago
SI
Senior Software Engineer, Site Reliability (Agentforce Ops)
Salesforce, Inc.
CA · MA · NY · WA · VA
- $148,500 to $246,000 USD / year
This is a role for an engineer who loves the "scaling" problem. You will focus on production excellence, performance tuning, and infrastructure automation. Because you are embedded in the…
Added 29 mins ago
SI
Principal Software Engineer, Site Reliability (Agentforce Ops)
Salesforce, Inc.
Remote, United States
- $197,300 to $344,700 USD / year
This is a role for an engineer who loves the "scaling" problem. You will focus on production excellence, performance tuning, and infrastructure automation. Because you are embedded in the…
Added 30 mins ago
Senior Embedded Software Engineer
Glydways
Remote, United States
As a Senior Embedded Software Engineer, you will own critical firmware domains, lead complex cross-functional projects, and help shape our embedded platform and engineering best practices.…
Added 31 mins ago
D
Sr. Engineer, Core
Doppler
Remote, United States
- $180,000 to $200,000 USD / year
As a Senior Engineer, you’ll help build the next phase of scale for a platform that 78,000+ teams trust with their most sensitive data, using industry-leading techniques, and you’ll blaze…
Added 32 mins ago
Software Engineer
2HB Incorporated
Annapolis Junction, MD
Familiarity with infrastructure-as-code and automation using cloud-init or Terraform.
Added 40 mins ago
Senior Staff Software Engineer - Agentic IT Operations
NVIDIA Corporation
CA · Santa Clara, CA · Santa Clara
Production-grade proficiency with infrastructure-as-code, CI/CD, containerization (Kubernetes), and cloud platforms (AWS, GCP, or Azure).
Added 40 mins ago
Staff Software Engineer
DataRobot, Inc.
Boston, MA · San Francisco, CA
…engineering practices into how we build, test, and operate infrastructure…
Added 43 mins ago
EC
Senior FPGA Development Engineer
Echodyne Corp
Kirkland, WA
- $137,196 to $205,382 USD / year
…uncrewed aircraft & drones, and security of borders, critical infrastructure, and smart cities. The company combines the patented technology of metamaterials with powerful software to…
Added 48 mins ago
Senior Staff Software Engineer - Identity & Trust
EarnIn
Remote, United States
…disaster recovery, and production readiness across critical Trust…

L3Harris

Network Plan Engineer

Dahlgren, VA, United States

In compliance with pay transparency requirements, the salary range for this role in Virginia (Greater D.C. area) is $88,500-$164,500.

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Job details

Pay: In compliance with pay transparency requirements, the salary range for this role in Virginia (Greater D.C. area) is $88,500-$164,500.
Posting language: English
Posted: Oct 23, 2026

Original job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Network Plan Engineer

Job Code: 46430

Job Location: Dahlgren, VA

Job Schedule: 9/80 (Every other Friday off)

Job Description:

As the premier provider of Space Domain Awareness (SDA) mission solutions for the United States Space Force, L3Harris is seeking an experienced Network Engineer to join our team. The ideal candidate will have strong experience in designing, operating, troubleshooting, and securing enterprise networks, with particular expertise in Juniper, Cisco, Palo Alto, automation, and compliance. This role requires a highly capable engineer who can serve as a technical lead for local network modernization, resolve advanced Layer 2/Layer 3 issues, support Zero Trust initiatives, maintain DISA STIG compliance, and execute changes in high-availability environments with minimal or no downtime. This position is onsite at Naval Support Facility Dahlgren, VA.

Essential Functions:

Design, implement, maintain, and troubleshoot enterprise network infrastructure across classified and unclassified environments
Administer and optimize network deployments
Support routing and switching operations, including BGP, OSPF, VLANs, STP, and enterprise segmentation
Perform advanced root cause analysis and resolution of complex network incidents affecting mission-critical operations
Plan and execute network upgrades, patching, and lifecycle refresh efforts with minimal operational impact
Develop and maintain network diagrams, SOPs, TTPs, implementation plans, and technical documentation
Automate network configuration, compliance, and deployment tasks using scripting and templating tools
Implement and maintain DISA STIG‑compliant network configurations across enterprise devices
Support Zero Trust Architecture (ZTA) initiatives through posture assessment, profiling, policy enforcement, and access control
Manage enterprise‑scale switch provisioning and configuration standardization efforts
Monitor network health, availability, and performance using enterprise management tools
Provide technical guidance and escalation support to junior engineers and technicians
Coordinate with cybersecurity, systems, COMSEC, and external organizations to support network changes and vulnerability remediation
Deliver technical briefings and status updates to leadership and stakeholders
Support after‑hours maintenance windows and on‑call response for mission‑critical outages, as needed
Up to 10% travel may be required

Qualifications:

Must have an active Top Secret Clearance with ability to obtain SCI access within 6 months of hire
Bachelor’s Degree in Network Engineering, Information Technology, Cybersecurity, or a related field and a minimum of 4 years of prior relevant experience; Or, Graduate Degree and a minimum of 2 years of prior related experience; Or, in lieu of a degree, a minimum of 8 years of prior related experience
6+ years of experience supporting enterprise network infrastructure in a DoD, federal, or similarly regulated environment
Strong hands‑on experience configuring, maintaining, troubleshooting, and supporting lifecycle management for Juniper and Cisco network devices
Experience applying and maintaining DISA STIG compliance across network devices
Experience leading technical training, mentoring junior staff, or serving as a team SME
Experience with network automation using scripting, templates, or similar tools

Preferred Additional Skills:

Ability to troubleshoot complex network issues across multi‑site or large‑scale environments
Experience producing technical documentation, including diagrams, SOPs, and engineering procedures
Ability to work independently and collaboratively in operationally sensitive, mission‑critical environments
Experience with multi‑vendor network fabric management using Apstra Data Center Director for provisioning, visibility, automation, and lifecycle management
Hands‑on experience troubleshooting on‑premises and off‑premises fiber optic infrastructure, including fiber patching, light‑level verification, and circuit handoff coordination with DISA and/or other government and commercial entities
Experience implementing Zero Trust Architecture using Cisco ISE or similar technologies
Experience configuring Arista and Dell network devices
Experience supporting large‑scale enterprise environments with thousands of endpoints and hundreds of network devices
Experience performing zero‑downtime upgrades in high‑availability environments
Experience with enterprise monitoring and management platforms such as SolarWinds
Experience supporting classified network environments
Hands‑on experience installing, configuring, managing, and troubleshooting ViaSat and GDMS Type 1 encryptors, including COMSEC/keying coordination
Experience coordinating with multiple internal and external organizations before, during, and after planned network changes, emergency remediation, and mission‑critical maintenance windows
Experience submitting vendor support cases for immediate resolution
Experience with network audits, IP space analysis, and address management
Familiarity with PL1 or similarly controlled facilities
Active Security+ CE Certification

In compliance with pay transparency requirements, the salary range for this role in Virginia (Greater D.C. area) is $88,500-$164,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) or Spanish (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) . For information regarding your Right To Work, please click here for English (https://www.eeoc.gov/sites/default/files/2022-10/22-088_EEOC_KnowYourRights_10_20.pdf) or Spanish (https://www.eeoc.gov/sites/default/files/2022-10/22-088_EEOC_KnowYourRightsSp_10_20.pdf) .

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