Posted:
5/21/2026, 10:28:41 AM
Location(s):
Colorado, United States ⋅ Colorado Springs, Colorado, United States
Experience Level(s):
Mid Level ⋅ Senior
Field(s):
IT & Security
Workplace Type:
On-site
Northrop Grumman Space Systems—Missile Defense Integration offers an excellent opportunity for a Principal Network Engineer III (25-257) to join our team of skilled 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 a key component of the Missile Defense System. It is a vital operational system that enables the U.S. president, the secretary of defense, and combatant commanders at strategic, regional, and operational levels to systematically plan ballistic missile defense operations, collectively monitor the battle, and dynamically control networked sensors and weapon systems to achieve global and regional mission goals. C2BMC supports layered missile defense capabilities that enable an optimized response to threats across all ranges and flight phases. It serves as a force multiplier by networking, integrating, and synchronizing autonomous sensor and weapon systems and operations, both globally and regionally, to improve performance. C2BMC is essential for all ground and flight tests that verify and demonstrate the current and future capabilities of missile defense systems.
In this role, the candidate will support the implementation, maintenance, and troubleshooting of enterprise network infrastructure. This role is responsible for ensuring reliable connectivity across LAN/WAN environments while 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 connectivity, latency, and packet-loss issues.
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
Will be responsible for traveling to remote locations to lead and perform network installations, independently perform troubleshooting, 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 STEM Computer Science, Computer Engineering, Electrical Engineering, Mathematics, Physics, or a related field from an accredited university, along with 5 years of experience; or a Master’s degree in a STEM-related field with 3 years of relevant work experience; or 9 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
Willingness to travel 10% of the time for business needs
This position requires either a CCNA (Cisco Certified Network Associate) or a 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 with UDP multicast, SONET, MSPP, VLANs, GRE tunnels, and TCP/IP network design
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 desired
Foundation, NSX, vSAN, and Aria
Experience with network automation using Ansible
Understand standard DOD security practices, such as STIG compliance and system accreditation implementation efforts
Prior C2BMC experience
What We Can Offer You:
Northrop Grumman provides a comprehensive benefits package and a supportive work environment that encourages your growth, benefiting both employees and the company. The benefits are flexible and customizable, enabling you to choose options that suit your individual and family needs. Your benefits will include the following:
Health Plan
Savings Plan
Paid Time Off
Education Assistance
Training and Development
Flexible Work Arrangements
https://benefits.northropgrumman.com/us/en2/BenefitsOverview/Pages/default.aspx
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Primary Level Salary Range: $94,200.00 - $141,200.00The 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.Website: https://northropgrumman.com/
Headquarter Location: Falls Church, Virginia, United States
Employee Count: 10001+
Year Founded: 1994
IPO Status: Public
Last Funding Type: Grant
Industries: Data Integration ⋅ Manufacturing ⋅ Remote Sensing ⋅ Security ⋅ Software