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Principal/Sr Principal Computer Systems Architect- AHT

McLean, VA

Job Description

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SecretTRAVEL: 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.Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world's biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today.
Job Description:
The candidate will perform network engineering activities supporting all phases of systems development in the areas of Network Engineering
Specific responsibilities include but are not limited to the following:

• Support the design and implementation of network architecture
• Conduct scheduled maintenance of the different Network IOS
• Identify Comms requirements, hardware, performance, and interoperability.
• Work on multiple simultaneous tasks
• Perform routine network administration tasks as needed
• Administrate IP based radio networks
• Interface with NGMS
This position may be filled as a (Level 3) Principal Computer Systems Architect or as a (Level 4) Sr Principal Computer Systems Architect
Basic Qualifications:

• Principal Computer Systems Architect (Level 3): Bachelor of Science (BS) STEM (Science, Technology, Engineering or Math) degree in science, engineering, or related discipline with 5 years of experience; or 3 years of relevant experience with a Masters (MS) degree; 1 Year with PhD or additional years in lieu of a degree
• Sr Principal Computer Systems Architect (Level 4): Bachelor of Science (BS) STEM (Science, Technology, Engineering or Math) degree in science, engineering, or related discipline with 8 years of experience; or 6 years of relevant experience with a Masters (MS) degree; 4 years with a PhD; or additional years in lieu of a degree
• DoD 8570 Security certification such as Sec+, CASP, CISSP, or equivalent.
• Candidate must be able to establish communication between network devices, interfaces, and protocols.
• Candidate must have experience with IP based radios and networks.
• Good understanding of IP4 and IPv6 network design, including IP subnetting and protocols including BGP, OSPF and EIGRP
• Identify Comms requirements, hardware, performance, and interoperability.
• CLEARANCE:  Ability to obtain and maintain an active U.S. Government DOD Secret Clearance
Preferred Qualifications:

• A professional certification specific to the networking industry i.e. CCNA/CCNP/CCIE or equivalent.
• Previous experience with military COMSEC/CRYPTO equipment and procedures (Viasat/GD)
• Expert understanding of advanced features like GRE, IPSEC, IP quality-of-service, VLANs, and multicast.
Primary Level Salary Range: $95,300.00 - $158,000.00Secondary Level Salary Range: $118,600.00 - $196,700.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and 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 application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity 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 and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.PDN-a0743ec8-0211-4131-96a1-828f1a3001c8
RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SecretTRAVEL: 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.Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world's biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today.
Job Description:
The candidate will perform network engineering activities supporting all phases of systems development in the areas of Network Engineering
Specific responsibilities include but are not limited to the following:

• Support the design and implementation of network architecture
• Conduct scheduled maintenance of the different Network IOS
• Identify Comms requirements, hardware, performance, and interoperability.
• Work on multiple simultaneous tasks
• Perform routine network administration tasks as needed
• Administrate IP based radio networks
• Interface with NGMS
This position may be filled as a (Level 3) Principal Computer Systems Architect or as a (Level 4) Sr Principal Computer Systems Architect
Basic Qualifications:

• Principal Computer Systems Architect (Level 3): Bachelor of Science (BS) STEM (Science, Technology, Engineering or Math) degree in science, engineering, or related discipline with 5 years of experience; or 3 years of relevant experience with a Masters (MS) degree; 1 Year with PhD or additional years in lieu of a degree
• Sr Principal Computer Systems Architect (Level 4): Bachelor of Science (BS) STEM (Science, Technology, Engineering or Math) degree in science, engineering, or related discipline with 8 years of experience; or 6 years of relevant experience with a Masters (MS) degree; 4 years with a PhD; or additional years in lieu of a degree
• DoD 8570 Security certification such as Sec+, CASP, CISSP, or equivalent.
• Candidate must be able to establish communication between network devices, interfaces, and protocols.
• Candidate must have experience with IP based radios and networks.
• Good understanding of IP4 and IPv6 network design, including IP subnetting and protocols including BGP, OSPF and EIGRP
• Identify Comms requirements, hardware, performance, and interoperability.
• CLEARANCE:  Ability to obtain and maintain an active U.S. Government DOD Secret Clearance
Preferred Qualifications:

• A professional certification specific to the networking industry i.e. CCNA/CCNP/CCIE or equivalent.
• Previous experience with military COMSEC/CRYPTO equipment and procedures (Viasat/GD)
• Expert understanding of advanced features like GRE, IPSEC, IP quality-of-service, VLANs, and multicast.
Primary Level Salary Range: $95,300.00 - $158,000.00Secondary Level Salary Range: $118,600.00 - $196,700.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and 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 application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity 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 and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.PDN-a0743ec8-0211-4131-96a1-828f1a3001c8

About Northrop Grumman

Northrop Grumman is a leading global aerospace and defense technology company. Our pioneering solutions equip out customers with the capabilities they need to connect and protect the world and push the boundaries of human exploration across the universe. Driven by a shared purpose to solve our customers’ toughest problems, our nearly 100,000 employees contribute to launching the technology of tomorrow, today.

© 2025 Northrop Grumman is an Equal Opportunity 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 and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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Principal/Sr Principal Computer Systems Architect- AHT
Northrop Grumman
McLean, VA
Nov 27, 2025
$95,300 - $158,000 a year
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