Principal Systems Engineer
$93.3k - $139.9kNorthrop Grumman
RELOCATION ASSISTANCE: No relocation assistance available
CLEARANCE REQUIRED FOR START: Yes
CLEARANCE TYPE: Top Secret
TRAVEL: Yes, 25% 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 Aeronautics Systems is seeking a Systems Engineer (T02/T03) to support fielded airborne ISR systems and associated data center, network, and communication infrastructures at Oklahoma City, OK. This role is a key technical interface between operations, field users, engineering Integrated Product Teams (IPTs), and customer representatives. The selected engineer will apply systems thinking to sustain and improve mission systems, help resolve field issues, and support configuration changes from concept through implementation in support of 24/7 operations.
Roles and Responsibilities
• Serve as an on-site systems engineering liaison between operations, engineering IPTs, and customer stakeholders to help resolve field issues, escalations, and installations.
• Sustain and provide real-time support for mission systems, including operating systems (e.g., Windows and/or Linux), data center hardware (compute, storage, network), and ground communication/network infrastructure (routers, switches, firewalls, SATCOM/RF) with guidance from senior engineers.
• Perform system-level troubleshooting and assist with root cause analysis across avionics, data center, network, and communication subsystems in field and control room environments.
• Support planning, configuration, integration, and testing of hardware/software changes in lab and operational environments; help ensure interoperability across compute, storage, and network components.
• Coordinate and track cross-functional action items and change requests; help maintain status and basic performance metrics for field modifications and fixes.
• Develop and execute test plans, integration procedures, and verification/validation activities for new or modified payloads, instrumentation, and network configurations, under the direction of senior engineers.
• Prepare and deliver technical briefings and written status updates to customers, program leadership, and internal stakeholders.
• Support mission operations, including shift work, weekends, holidays, and occasional overtime.
Basic Qualifications
T02 (Engineer Systems)
• Bachelor’s degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 2 years of related systems engineering or related engineering experience;
OR a Master’s degree in a STEM discipline and 0 years of related systems engineering or related engineering experience.
T03 (Principal Engineer Systems)
• Bachelor’s degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 5 years of related systems engineering or related engineering experience;
OR a Master’s degree in a STEM discipline and 3 years of related systems engineering or related engineering experience.
• Experience with system integration, troubleshooting, or technical support across hardware and/or software boundaries (e.g., mechanical, electrical, or IT systems).
• Experience reading and interpreting mechanical or electrical drawings, wiring diagrams, and technical documentation.
• Experience working cross-functionally with engineering teams, technicians, suppliers, or program stakeholders to implement system changes and resolve issues under schedule pressure.
• Demonstrated ability to perform data analysis, reliability or lifecycle assessments, or cost/schedule trade studies to support engineering decisions.
• Strong written and verbal communication skills, including preparation of clear technical documentation and technical briefings or presentations to stakeholders.
• Active US Government Top Secret clearance with the ability to obtain SCI and Special Access Program (SAP) access as required.
• Ability to work non-standard hours (shift work, nights, weekends, holidays) and support occasional travel (up to ~25%).
Preferred Qualifications
• Experience supporting airborne ISR platforms, aerospace/defense systems, or complex industrial systems in field, depot, or test environments.
• Familiarity with modern operating systems and basic networking concepts (e.g., Windows and/or Linux administration, TCP/IP fundamentals, VLANs, routing basics, VPN connectivity).
• Experience configuring and troubleshooting network or data center equipment (e.g., switches/routers, basic firewall rules, storage devices) or virtualized environments (such as VMware ESXi or similar), with support from senior staff.
• Experience developing or maintaining technical documentation, including test procedures, integration plans, and system status reports.
• Familiarity with engineering change processes and tools (e.g., JIRA or similar) for managing engineering actions and tracking configuration changes.
• Prior military, flight test, field service, or depot-level engineering support experience.
Primary Level Salary Range: $93,300.00 - $139,900.00
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: Engineering
$116.3k - $213.4k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for... ...Northrop Grumman Aeronautics Systems is seeking a Sr. Principal Systems Engineer to join our team of qualified, diverse individuals within...SuggestedRelocation packageShift work- ...Required*** ***NO VISA SUPPORT or C2C*** ***On-site in OKC Required*** Primary Function: Long Wave Inc. is seeking a Sr. Systems Engineering Manager to lead Systems Engineering, Integration, Architecture, and Test activities supporting complex Department of Defense...SuggestedFull timeFor subcontractorWork at officeVisa sponsorshipMonday to Thursday
- ...design and development of AI-native agentic workflows that enhance engineering productivity, observability intelligence, and end-to-end... ...just integrating automation tools, but architecting AI-driven systems that reason, analyze, and act across telemetry, applications,...SuggestedPermanent employmentFlexible hours
$105.54k - $160k
...Sr. Systems Engineer Date: Sep 9, 2026 Location: Oklahoma City, OK, Oklahoma, United States Company: HII's Mission Technologies division Requisition Number: 30187 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range:...SuggestedFull timeContract workFor contractorsWork experience placementLocal area- ...Systems Engineer Flowco is seeking a Systems Engineer to design, implement, automate, and support the technology infrastructure that enables our employees and business operations. This role is part of the IT organization and focuses on building reliable, secure, and...Suggested
$112.5k - $202.5k
...Are you a Quality Engineer who loves solving complex issues? Are you a fast learner who enjoys working at the intersection of infrastructure... ...environments (e.g., GCC High and IL5). As a Senior Systems Engineer, you will be responsible for: Leading the administration...Work experience placementWork at office- ...approach to plan, design, develop and verify a lifecycle balanced system of systems and system solutions. Evaluates customer and /... ...Resolves cross-functional technical issues. B-52 CERP is an engine replacement program. Boeing Oklahoma City is in charge of implementing...Full timeContract workWork at office
$68.3k - $148.3k
...Job Description The Senior Systems Engineer will play a vital role in managing and optimizing Linux-centered systems for Oracle Health CWx US Public Client Ops. This role involves overseeing cloud and on-premise infrastructure, implementing security measures, and ensuring...Temporary workFlexible hours$61.9k - $141k
...Systems Engineer The Opportunity: Are you looking for an opportunity to combine your technical expertise with strategic, national security impact? In this role, you'll apply your understanding of the customer's environment to design and develop systems that directly...Full timeContract workPart timeWork at officeLocal areaRemote work$60k - $100k
...Systems Engineer Oklahoma City, Oklahoma, United States Do you enjoy solving technical challenges and making systems run better than they did before? Are you someone clients trust when they need clear answers and steady guidance? Do you like working hands-on with...Work at officeRemote work- 5-D Systems, a KRATOS Company, is seeking a highly motivated candidate who will provide full lifecycle systems engineering technical contribution and leadership in support of unmanned aircraft programs. This position is full-time and requires the ability to successfully...Full timeRemote work
$69.41 per hour
...Job Description Boeing Defense, Space, & Security (BDS) located in Oklahoma City, is seeking Systems Engineers to ensure that systems verification testing meets the verification success criteria. It involves reviewing existing requirements, verification success criteria...Work experience placement$130.7k - $160k
..., and opportunity for self-driven growth! The Infrastructure Engineer plays a critical role in supporting coffee manufacturing operations... ..., including electricity, compressed air, water, gas, and HVAC systems. Identify opportunities to improve utility efficiency,...For contractorsLocal areaRemote workFlexible hours- ...***NO VISA SUPPORT or C2C*** ***On-site in OKC Required*** Primary Function: Long Wave Inc. is seeking a senior-level Systems Engineer to provide technical leadership in Model-Based Systems Engineering (MBSE), requirements management, and architecture development...Full timeWork at officeVisa sponsorshipMonday to Thursday
- ...*NO VISA SUPPORT or C2C*** ***On-site in OKC Required*** Primary Function: Long Wave Inc. is seeking a mid-career Systems Engineer to take ownership of Model-Based Systems Engineering (MBSE), requirements management, and architecture development for Department...Full timeWork at officeVisa sponsorshipMonday to Thursday
$110.37k - $140k
...Position Overview The Principal HL7 Integration Engineer oversees all technical aspects of Synapse product HL7 integration, from install, configure... ...MI products with all third-party healthcare information systems e.g. dictation, EMR, PACS, CVIS, RIS, HIS, VNA,...Local areaRemote workFlexible hours$93.3k - $139.9k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and... ...Advanced Test and Support Systems (ATSS) is seeking a Principal Electronics Engineer (Level 3) to join our team of qualified and diverse...For contractorsRelocationShift work$18 - $50 per hour
...graduation and completion of the program Position Overview: Siemens Digital Industries Software is seeking a Digital Thread & Systems Engineering Intern to support the Capital PreSales organization. This role offers an opportunity to work on innovative digital...Remote jobHourly payFull timeInternshipLocal area- ...Vice President of Systems Engineering About the Company Innovative digital banking provider for credit unions & community banks Industry Banking Type Privately Held Founded 2015 Employees 51-200 Specialties banking api conversational...Shift work
$87.1k - $157.45k
...Description The Defense Sector at Leidos is seeking a Linux System Engineer to support a fast-paced program with the Air Force Life Cycle Management Center (AFLCMC). In this role, you will design, deploy, maintain, and optimize enterprise infrastructure supporting...Local areaImmediate start- ...Job Description Johnson Service Group is seeking an Avionics Systems Engineer to support advanced aerospace and defense programs for our client in OKC, OK. This position supports the development, integration, and testing of avionics systems for military and aerospace...
$174.9k - $261.3k
...vehicles how to see and understand the world! The Data Labeling Engineering team designs, builds, and operates hybrid human/machine data... ..., growth toward technical leadership, and direct impact on systems that unblock the next generation of AV capabilities. What...Full timeLocal areaRemote workWork from homeRelocation packageFlexible hours- ...environment. The successful candidate will interface with outside consultants and vendors and will provide mentoring to entry level Process Engineers. MAJOR ACCOUNTABILITIES Provide Technical Support for Plant Operations May be assigned to a specific unit(s) within the...Contract workShift work
- ...re doing! Job Description Summary: The Customer Solutions Engineer a highly skilled Mainframe Modernization Senior Consultant to provide... ...: IBM Enterprise COBOL or PLI programming experience System level experience of IBM CICS; IMS and JCL Relational...Local areaRemote workWorldwide
$119k - $161k
...Engineering ManagerTransform technology into opportunity as an Engineering Manager at GDIT. Shape what's next for mission-critical government projects while shaping what's next for your engineering career.MEANINGFUL WORK AND PERSONAL IMPACTAs an Engineering Manager, the...Temporary workImmediate startRemote workWorldwideFlexible hours$114.5k - $154.58k
...re doing! Job Description Summary: We're looking for a Principal Sales Engineer who is not only passionate about technology but thrives on... ...integration challenges, especially around migrating from mainframe systems to cloud environments. Present and demonstrate our...Full timeRemote workWorldwide- ...Engineering Project Manager Oklahoma City, OK, United States About the Job Engineering Project Manager Why You'll Love This Project Manager Role Unlock a pathway to career growth Thrive in a teamwork-driven, supportive workplace Looking to hire immediately...Immediate start
- ...Job Description Position Summary The Sr Director of Network Engineering is responsible for the strategic leadership, operation,... ...FTTH) network infrastructure, IT Network, Commercial, Voice, and Systems. This role oversees Network Operations Center (NOC) functions,...Night shift
- ...Head of Engineering About the Company Promising provider of top-notch services Industry Consumer Services Type Privately Held About the Role The Company is seeking a Head of Engineering to lead and manage the engineering team. The successful candidate...
- ...Head of Engineering About the Company Early-stage AI company building a high-performing engineering team and reliable product delivery... .... This includes having a strong technical foundation in system architecture, helping to manage engineering workstreams, supporting...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal Systems Engineer. Be the first to apply!
- engineering director Oklahoma City, OK
- principal engineer Oklahoma City, OK
- general engineer Oklahoma City, OK
- data center chief engineer Oklahoma City, OK
- hotel chief engineer Oklahoma City, OK
- principal developer Oklahoma City, OK
- chief engineer Oklahoma City, OK
- senior civil engineer project manager Oklahoma City, OK
- healthcare systems engineer Oklahoma City, OK
- senior linux systems engineer Oklahoma City, OK



