Sr Principal Network Engineer III

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.

Northrop Grumman Space Systems-Missile Defense Integration offers an excellent opportunity for a Sr Principal Network Engineer III (26-117) to join our team of talented and diverse professionals. Based in Colorado Springs, CO, this role is essential to supporting the U.S. President, the Secretary of Defense, and combatant commanders at the strategic, regional, and operational levels.

This position does not provide relocation assistance and requires on-site work with no remote options.

Position Overview:

The Command and Control, Battle Management, and Communications (C2BMC) program is the core part of the Missile Defense System. It is a vital operational system that allows the U.S. president, secretary of defense, and combatant commanders at strategic, regional, and operational levels to plan ballistic missile defense operations systematically. It also enables them to monitor the battle collaboratively and to dynamically manage networked sensors and weapons systems to meet global and regional mission objectives. C2BMC supports a layered missile defense system that provides an optimized response to threats across all ranges and flight phases. It acts as a force multiplier by networking, integrating, and synchronizing autonomous sensor and weapon systems and operations at global and regional scales to improve performance. C2BMC is a key part of all ground and flight tests that verify and demonstrate the capabilities of current and future missile defense systems.

In this role, the candidate will support the implementation, maintenance, and troubleshooting of enterprise network infrastructure. The role is responsible for ensuring reliable connectivity across LAN/WAN environments and for collaborating with senior engineers on network design and optimization. The ideal candidate brings strong networking fundamentals and a hands-on approach to supporting production environments.

Essential Functions:

• Configure and maintain network devices, including routers, switches, and firewalls, from vendors such as Cisco and Juniper Networks

• Monitor network performance and availability, proactively identifying and resolving issues with connectivity, latency, and packet loss

• Implement and support core networking technologies, including VLANs , routing protocols (e.g., OSPF, BGP ), and basic network security controls

• Troubleshoot network incidents across LAN/WAN environments, conducting root cause analysis and documenting resolutions

• Collaborate with cross-functional IT teams to support network changes, upgrades, and infrastructure initiatives

• Candidate will be responsible for traveling to remote locations to lead and perform network installations, independently troubleshoot, and provide status updates to Program personnel

• May be required to support critical activities outside standard business hours, including evenings and weekends, as needed

• Any other required tasks by the program

Basic Qualifications:

Please list your current security clearance and IAT or relevant certifications on your resume, if applicable.

• A Bachelor's Degree in Computer Science, Network Engineering, Mathematics, Physics, or a related field from an accredited university, along with 8 years of experience; or a Master's degree in a related field with 6 years of relevant work experience; or 12 years of relevant work experience may be considered as an alternative to a degree

• Applicants must have a current, active DoD 8140 certification at IAT Level II or higher (such as Security+, GSEC, SCNP, SSCP, CISSP, CISA, GSE, SCNA, etc.) at the time of application, which is required to start. The candidate is responsible for maintaining their DoD 8140 certification throughout the entire contract period

• Applicants must have a current, active in-scope DoD-issued Secret security clearance at the time of application, which is required to start with the ability to obtain Top Secret security clearance

• This position requires a CCNA (Cisco Certified Network Associate) or JNCIA (Juniper Networks Certified Associate, Junos) certification

• Must be a proven network engineer with hands-on mid-level experience and knowledge of network design, development, and testing methodologies

• Must understand the OSI Model , TCP/IP , and routing protocols BGP and OSPF

• Must have network traffic analysis, diagnostics, and troubleshooting skills

• Must have firewall experience - especially with Juniper, Fortinet, and Palo Alto

• Must have experience in UDP multicast, SONET, MSPP, VLANs, GRE Tunnels, and TCP/IP network designs

• Must have hands-on experience with multi-vendor switching and routing ( Juniper, Cisco ), WAN optimizers, TACLANEs , and optical transport equipment

• Must be an effective communicator with excellent writing and presentation skills and proficiency with Microsoft Office products, especially PowerPoint and Visio

Preferred Qualifications:

• Applicants with a current, active in-scope DoD-issued Top Secret security clearance at the time of application are highly preferred.

• CCNP (Cisco Certified Network Professional) or JNCIP (Juniper Networks Certified Internet Professional) Certification

• Foundation, NSX, vSAN , and Aria

• Experience with automating networks using Ansible

• Understand standard DOD security practices, including STIG compliance and system accreditation efforts

• Previous C2BMC experience

What We Can Offer You:

Northrop Grumman provides a comprehensive benefits package and a work environment that encourages your growth, supporting both employees and the company's success. The benefits at Northrop Grumman are flexible and tailored, allowing you to choose options that best suit your needs and your family's. Your benefits will include the following:

• Health Plan

• Savings Plan

• Paid Time Off

• Education Assistance

• Training and Development

• Flexible Work Arrangements

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#NGFeaturedJobs

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Primary Level Salary Range: $117,500.00 - $176,300.00

The 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 U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Job Category: Information Technology