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Principal Network Communications Engineer Security Clearance

Job in San Diego, San Diego County, California, 92101, USA
Listing for: Northrop Grumman
Full Time position
Listed on 2026-03-05
Job specializations:
  • Engineering
    Cybersecurity, Systems Engineer
  • IT/Tech
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Position: Principal Network Communications Engineer with Security Clearance
RELOCATION ASSISTANCE:
No relocation assistance available CLEARANCE REQUIRED FOR START:
Yes CLEARANCE TYPE:
Secret TRAVEL:
Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon.

We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological solutions to enable strategic objectives. We're looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours of expanding your personal network and developing skills, whether you are new to the field or an industry thought leader.

At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career. Northrop Grumman Mission Systems and its Classified Solutions Team is seeking a Network Communications Engineer; this position will be located in San Diego, CA and will require the selected candidate to work on-site, full-time, at our San Diego campus - this is not a remote work opportunity.

Job responsibilities will include but not be limited to the following:
* Maintain smooth operation of classified network.

* Plan, design, configure, and install network hardware in support of customer requirements.

* Maintain technical expertise in all areas of networks and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, switches, gateways, etc.

* Propose solutions to management to ensure all communications requirements based on future needs and current usage, configuring such solutions to optimize cost savings.

* Create and ensure that appropriate network documentation exists, including operational instructions.

* Provide regular monitoring and network analysis regarding short- and long-range planning for in-house systems.

* Perform troubleshooting analysis of network infrastructure and associated systems.

* Install and configure Cisco routers, switches, and firewalls.

* Implement and troubleshoot LAN technologies such as VLANs, Trunking (port tagging), Spanning-Tree, and Port Security.

* Provide third-level support and troubleshooting of network problems.

* Design and implement an enterprise network.

Basic Qualifications:

* Associate's degree and 7 years of relevant experience, or a Bachelor's degree and 5 years of relevant experience, or a Master's degree and 3 years of relevant experience; a High School diploma or equivalent and 9 years of relevant experience may be considered in lieu of a completed degree.

* Applicants must have an active DoD Secret level security clearance (at a minimum), to include a closed investigation date completed within the last 6 years, or must be enrolled in the DoD Continuous Evaluation Program (CEP) in order to be considered; the required security clearance must be maintained as a condition of continued employment.

* The selected applicant may be required to obtain and maintain a DoD Top Secret security clearance based on program need.

* The selected applicant will be required to obtain and maintain a Special Access Program (SAP/SAR) clearance as a condition of continued employment.

* IAM Level I certification (ex: Security+ CE) or greater, or the ability to obtain certification with 3 months of start date; maintaining the required certification will be a condition of continued employment.

* Experience with Microsoft Office, Visio, Project, PowerPoint, and Excel.

* Experience designing and maintaining LAN & WAN based networks.

* Experience with managing routing protocols on large LAN environments.

* Experience with Cisco hardware and setting up switched networks.

* Ability to lift equipment weighing up to 40 pounds.

Preferred Qualifications:

* Bachelor's or Master's degree in IS related field.

* Current Cisco CCNA, CCNP, or CCIE certification.

* Previous experience troubleshooting network procedures and best practices; experience with network challenges associated with systems integration, including COTS integration, capacity analysis and system architecture design.

* Demonstrated strong leadership skills.

* Demonstrated experience in the…
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