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Principal Network Engineer / Sr. Principal Network Engineer - (O

Northrop Grumman

Today
Top Secret
Unspecified
Polygraph
IT - Hardware
Alice Springs, Australia (On-Site/Office)

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE TYPE: Polygraph

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.

Strategic Space Systems Division (SSSD) is an industry-leading provider for launch systems capabilities serving national security, military, civil and commercial customers. We are built on a heritage of providing innovative, affordable and reliable aerospace and defense products that our customers rely on to achieve mission success. Join the Space revolution and make the impossible, possible.

Northrop Grumman Space Systems is seeking a Principal Network Engineer / Sr. Principal Network Engineer to join our program team located at an overseas site in Alice Springs, Australia. (ON SITE)

This position requires being onsite and does not support remote or hybrid work .

This role requires a two (2) year commitment and the ability to successfully pass a physical and psychological exam. Ability to work odd and/or extended hours covering a 24/7 period and periodic rotating 12-hour shifts. A comprehensive overseas compensation package is offered with this position including relocation assistance.

This role is to oversee and assist in the maintenance and expansion of the programs network. The candidate would be required to maintain existing architecture and give direction to the JR network engineers on staff. This scope of work also involves helping multiple locations establish and maintain their network architecture,

Duties and responsibilities include but are not limited to:
  • Designs and plans network communications systems.
  • Provides specifications and detailed schematics for network architecture.
  • Provides specific detailed information for hardware and software selection, implementation techniques, and tools for the most efficient solution to meet business needs, including present and future capacity requirements.
  • Conducts testing of network design.
  • Maintains technical expertise in all areas of network and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, hubs, bridges, gateways, etc.
  • Evaluates and reports on new communications technologies to enhance capabilities of the network.
  • Troubleshooting network architecture to include network interfaces and firewalls and making recommendations for system findings and enhancements.
  • Ability to support rotational 24x7 on-call support
  • Gain a detailed understanding of systems, flows, CONOPs and advanced concepts; innovate and provide strategic direction.
  • Perform updates, patching, and baseline changes to adhere to Information Security requirements, policies, and standards.


Basic Qualifications for Principal Network Engineer (Level 3):
  • Bachelor's degree plus 5 years of relevant technical work experience; OR 3 years of relevant technical work experience with a master's degree; OR 1 year of relevant technical work experience with a PhD; OR an additional 9 years of relevant technical work experience may be considered in lieu of a degree.
  • Demonstrable real-world experience in network configuration and management of critical network environments
  • Experience in network devices such as Cisco ASAs, Routers or Switches
  • Understanding and experience with designing, writing, and implementing FCRs and RITMs - Experience with SolarWinds or other Network Management tools
  • Experience with Atlassian tools (e.g. JIRA, CONFLUENCE, etc.)
  • Ability to obtain and maintain a DoD Top Secret clearance, SCI Access and complete a counterintelligence polygraph examination prior to start date


Basic Qualifications for Sr. Principal Network Engineer (Level 4):
  • Bachelor's degree plus 8 years of relevant technical work experience; OR 6 years of relevant technical work experience with a master's degree; OR 4 year of relevant technical work experience with a PhD; OR an additional 12 years of relevant technical work experience may be considered in lieu of a degree.
  • Demonstrable real-world experience in network configuration and management of critical network environments
  • Experience in network devices such as Cisco ASAs, Routers or Switches
  • Understanding and experience with designing, writing, and implementing FCRs and RITMs - Experience with SolarWinds or other Network Management tools
  • Experience with Atlassian tools (e.g. JIRA, CONFLUENCE, etc.)
  • Ability to obtain and maintain a DoD Top Secret clearance, SCI Access and complete a counterintelligence polygraph examination prior to start date


Preferred Qualifications:
  • STEM degree
  • DoD 8570 IAM/IAT certification requirements; Security+ or CISSP, or have the ability to obtain within three months of start date
  • Experience with Cisco IOS and ACI
  • Experience and/or knowledge of network protocols, such as TCP/IP and UDP
  • CompTIA Network+ certification or another industry certification
  • Ability to work in a structured configuration-controlled environment, primarily focused on the support and maintenance of real-time systems on an Operations and Maintenance (O&M) contract
  • Knowledge, Skills and Ability Apply advanced technical principles, theories, and concepts.
  • Contributes to the development of new principles and concepts.
  • Problem Solving Work on unusually complex technical problems and provide solutions which are highly innovative and ingenious.
  • Discretion/Latitude Works under consultative direction toward predetermined long-range goals and objectives.
  • Assignments are often self-initiated.
  • Determine and pursue courses of action necessary to obtain desired results.
  • Work checked through consultation and agreement with others rather than by formal review of superior.
  • Acts as advisor to management and customers on advanced technical research studies and applications.
  • Strong analytical skills and ability to evaluate platform-level problems and provide solutions for immediate restoration of service.
  • Experience with 24x7 operational systems
  • Experience with NX OS, VMware, ACI/APIC
  • Experience with UDP multicast
  • Experience with IPSec, multilayer switching, VLANs, and Virtual environments (ESXi)
    Interface with external services for DNS, NTP, and others
  • Experience developing system-level designs, high-level control and data interfaces
  • Experience setting up networks and data centers
  • Has a clear understanding of the OSI model
  • Knowledgeable in Static/Dynamic IP environments, LAN/WAN interfaces, Routed and routing protocols, subnetting, remote management and monitoring using SNMPv3 and SSH in both large and small-scale networks
  • Small team ( 3 - 5 team member) management skills


Primary Level Salary Range: $91,200.00 - $136,800.00

Secondary Level Salary Range: $113,500.00 - $170,300.00

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 http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
group id: 10122071

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Northrop Grumman solves the toughest problems in space, aeronautics, defense and cyberspace to meet the ever-evolving needs of our customers worldwide. Our 90,000 employees are Defining Possible every day using science, technology and engineering to create and deliver advanced systems, products and services. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will allow you to work together with people from many backgrounds, personal passions and disciplines. © 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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Job Category
IT - Hardware
Clearance Level
Top Secret