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Enterprise Services, Principal/Senior Principal Network Engineer, Engineering and Manufacturing

Requisition ID: R10056858

  • Category IconCategory: Information Technology
  • Location IconLocation: Linthicum, MD, USA
  • Citizenship IconCitizenship Required: United States Citizenship
  • Clearance IconClearance Type: None
  • Telecommute IconTelecommute: Yes-May consider hybrid teleworking for this position
  • Shift IconShift: Days (United States of America)
  • Travel IconTravel Required: Yes, 10% of the Time
  • Positions IconPositions Available: 1

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.

Northrop Grumman’s Enterprise Services organization is seeking a qualified Principal Network Engineer.

This position is located in Linthicum, MD and offers the flexibility of a hybrid telecommute and in office work schedule.

Our ideal candidate willo perform key assignments for Mission Systems off-net Engineering and Manufacturing networks. This position supports large heterogeneous unclassified networks that support physical and virtual hosts with an emphasis on supporting software development teams and manufacturing cells.

The selected candidate will be responsible for the design, implementation and maintenance of complex systems and networks. Responsibilities include network design, implementation, and evaluation, hardware/software installation, upgrades, troubleshooting, repair, monitoring, tuning, automation scripting and general user support. Duties will also include maintaining system documentation, developing infrastructure support procedures, and providing security support. 

He/she will coordinate maintenance activities with other team members and users to produce least impact solutions. The candidate will also provide technical guidance to internal and external personnel on highly complex network system installation processes while having a solid understanding of the OSI model.

This position can be hired as a Principal or Sr. Principal Level Engineer, based on the candidate's education and experience.

Basic Qualifications for a Principal/Level 3:

  • 5 Years of experience with a Bachelor’s Degree in Information Technology or related STEM field; 3 Years with Masters; 0 Years with PhD. Equivalent combination of education with experience may be accepted.
  • Proficiency with networking devices such as routers, switches, and firewalls.
  • Proficiency with various network topographies (data center, LAN, and WAN).
  • Proficiency with TCP/IP connectivity utilizing UTP and fiber optic media.
  • Understanding of Networking technologies including: VLANs, VLAN trunking, Link Aggregation (LACP, LAG), Spanning Tree, VXLAN, layer 3 Routing, CIDR Subnetting, virtual chassis and clustering
  • Proficiency with network security principles, threats, and vulnerabilities.
  • Ability to solve problems quickly and completely; analytical problem-solving skills; adept at root-cause analysis and mitigation.
  • Design, implement and maintain complex systems and networks. Coordinate maintenance activities with other team members and users to produce least impact solutions.
  • Provides technical guidance to internal and external personnel on highly complex network system installation processes.
  • Solid understanding of the OSI model
  • Experience providing remote support

Basic Qualifications for a Senior Principal/Level 4:

  • 9 Years of experience with a Bachelor’s Degree in Information Technology or related STEM field; 7 Years with Masters; 4 Years with PhD. Equivalent combination of education with experience may be accepted.
  • Proficiency with networking devices such as routers, switches, and firewalls.
  • Proficiency with various network topographies (data center, LAN, and WAN).
  • Proficiency with TCP/IP connectivity utilizing UTP and fiber optic media.
  • Understanding of Networking technologies including: VLANs, VLAN trunking, Link Aggregation (LACP, LAG), Spanning Tree, VXLAN, layer 3 Routing, CIDR Subnetting, virtual chassis and clustering
  • Proficiency with network security principles, threats, and vulnerabilities.
  • Understanding of cyber security compliance in frameworks such as DFARS, RMF or DIACAP
  • Ability to solve problems quickly and completely; analytical problem-solving skills; adept at root-cause analysis and mitigation.
  • Ability to work independently while being conscious of how your work interacts with that of others
  • Ability to juggle multiple projects simultaneously and prioritize effectively. Must possess drive, enthusiasm and attention to detail.
  • Design, implement and maintain complex systems and networks. Coordinate maintenance activities with other team members and users to produce least impact solutions.
  • Provides technical guidance to internal and external personnel on highly complex network system installation processes.
  • Solid understanding of the OSI model
  • Experience providing remote support

Preferred Qualifications:

  • Proficiency with Juniper networking hardware and operating systems
  • Familiar with using JunOS, JunOS Space, Security Director, and Network Director to manage Juniper network infrastructure.
  • Proficient with implementing and managing DHCP, Radius, NPS, and DNS.
  • Familiar with creating and implementing layer-7 firewall policies for Palo Alto firewalls.
  • Experience performing troubleshooting with traffic capture tools; such as Wireshark and tcpdump
  • Experience with Atlassian Tools (Confluence, Jira, Bitbucket, etc.)
  • Ability to work flex and overtime hours with some weekend hours expected.
  • Experience with network automation using technologies such as PowerShell, Ansible, Python, JavaScript
  • CCNA or CCNP certification or equivalent is a plus!
  • Exposure to VMware NSX firewalls, associated logical networks and routers
  • Understanding of Software Defined Networking concepts
  • Experience implementing and managing VMware NSX underlay and overlay networks
  • Experience with NSX load balancers
  • Superior written and oral communication skills.

Salary Range: $88,000 USD - $132,000 USD
Salary Range 2: $109,100 USD - $163,700 USD

Employees may be eligible for a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

The health and safety of our employees and their families is a top priority. The company encourages employees to remain up-to-date on their COVID-19 vaccinations. U.S. Northrop Grumman employees may be required, in the future, to be vaccinated or have an approved disability/medical or religious accommodation, pursuant to future court decisions and/or government action on the currently stayed federal contractor vaccine mandate under Executive Order 14042 https://www.saferfederalworkforce.gov/contractors/.

Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO/AA and Pay Transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for most positions.



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What's great about
Northrop Grumman

  1. Be part of a culture that thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work.
  2. Use your skills to build and deliver innovative tech solutions that protect the world and shape a better future.
  3. Enjoy benefits like work-life balance, education assistance and paid time off.


Did you know?

Northrop Grumman leads the industry team for NASA’s James Webb Space Telescope, the largest, most complex and powerful space telescope ever built. Launched in December 2021, the telescope incorporates innovative design, advanced technology, and groundbreaking engineering, and will fundamentally alter our understanding of the universe.