Northrop Grumman

Network Engineer - Level 3 (NES) (26-294)

Northrop Grumman$94K — $141K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or Master's in Computer Science, Engineering or related field, with relevant experience
  • Active DoD 8140 certification at IAT Level II or higher
  • In-scope DoD-issued Secret security clearance, with the ability to obtain Top Secret clearance
  • Proven mid-level network engineering skills and knowledge of design and testing methodologies
  • Hands-on experience with networking technologies including OSI Model and TCP/IP
  • Experience with firewall setups from vendors such as Juniper and Fortinet
  • Strong problem-solving skills and communication abilities, especially in Microsoft Office applications.

Responsibilities

  • Support implementation and maintenance of enterprise network infrastructure
  • Ensure reliable LAN/WAN connectivity while collaborating on optimization
  • Configure and maintain network devices from vendors such as Cisco and Juniper
  • Monitor network performance, identifying and resolving connectivity issues
  • Implement core networking technologies and maintain basic security controls
  • Troubleshoot network incidents across diverse environments and document resolutions
  • Collaborate with IT teams on network changes and infrastructure initiatives

Benefits

  • Health Plan
  • Savings Plan
  • Paid Time Off
  • Education Assistance
  • Training and Development
  • Flexible Work Arrangements
Full Job Description
RELOCATION ASSISTANCE: No relocation assistance available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the TimeDescription

Northrop Grumman Space Systems-Missile Defense Integration offers an excellent opportunity for a Principal Network Engineer III (NES) (26-294) 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.

Essential Functions:

  • Will support the implementation, maintenance, and troubleshooting of enterprise network infrastructure
  • Ensuring reliable connectivity across LAN/WAN environments while collaborating with senior engineers on network design and optimization
  • Strong networking fundamentals and a hands-on approach to supporting production environments
  • 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, Software Engineering, Network Engineering, Mathematics, Physics, or a related field from an accredited university, along with 5 years of experience; or a Master's degree in a 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 with the ability to obtain Top Secret clearance
  • Requires either 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 be proficient with 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 a strong communicator with excellent writing and presentation skills, particularly in Microsoft Office applications like 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 is highly desired
  • Experience with 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 - $141,200.00

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.

About Northrop Grumman

Northrop Grumman is a security company that provides systems, products, and solutions in aerospace, electronics, information systems, shipbuilding, and technical services to government and commercial customers. They design, develop, and build everything from aircraft and spacecraft to cyber security systems. The company is involved in a wide range of defense and technology projects, including the development of aircraft, space systems, cybersecurity solutions, and advanced electronics.

Northrop Grumman Careers

Join the elite team at Northrop Grumman, a leading global security company providing innovative systems, products, and solutions in autonomous systems, cyber, C4ISR, space, strike, and logistics and modernization to customers worldwide. There has never been a more exciting time to advance your career with Northrop Grumman.

Work You’ll Do

At Northrop Grumman, your work will redefine the edges of technology and create a safer future. Our culture thrives on intellectual curiosity, cognitive diversity, and bringing your whole self to work. Our team is at the forefront of innovation, collaborating to make the impossible, possible.

Explore Job Opportunities and Growth

Whether you’re looking for an internship, an entry-level position, or a spot for seasoned professionals, Northrop Grumman offers a variety of career paths that encourage growth and development. Explore job opportunities that elevate your skills, and push your career to the next level.

Join Our Diverse and Inclusive Team

Diversity and inclusion are the foundations of our culture. Northrop Grumman is committed to building a diverse team that fosters an inclusive environment, where every team member is valued for their unique perspectives and contributions. We believe that diversity fuels innovation.

Professional Development and Benefits

Northrop Grumman is dedicated to your professional and personal growth. We offer unparalleled benefits, including comprehensive health coverage, generous time off, and family care resources. Additionally, we provide extensive leadership and diversity training to help you craft your career path.

Networking and Leadership

Enhance your career through our robust networking opportunities. Connect with leaders and peers within Northrop Grumman through various events, mentorship programs, and professional groups. Our leadership is deeply invested in nurturing talent and guiding team members through their career journey.

Innovation in Technology

Drive technological breakthroughs with a company at the cutting edge of innovation. Northrop Grumman is a place where you can work on projects that push the boundaries of what is possible.

How to Apply

Ready to join our team? Check out the open positions on our Careers page. Tailor your resume to highlight your relevant skills and experiences. Prepare for your interview with us by researching our projects and understanding our company’s mission and values.

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Northrop Grumman Jobs

Discover the impact you can make with a career at Northrop Grumman. We are actively hiring and looking for passionate, curious, and solution-driven team players. Search Northrop Grumman jobs today and find where your expertise is needed most. Join Northrop Grumman, and be part of a team that is dedicated to making a difference, not only within the company but in the world at large. Your journey to building a rewarding career starts here.
Learn more about Northrop Grumman
Size
88,000 employees
Market Cap
$82.7 billion
Industry
Net Income
$3.1 billion
Founded
1939
5 Year Trend
+7.6%
Revenue
$36.7 billion
NASDAQ

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