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Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world’s biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today.
Northrop Grumman is currently seeking a Principal Cost Estimating Analyst (Level 3) in our Business Management department. The position will be in our facility in Plymouth, MN. The selected candidate will become an integral part of the Armament Systems Pricing & Estimating team tasked with providing guidance and support to the business unit activities. The ideal candidate will be proactive and have the ability work in a fast-paced environment. This position will be located on-site in Plymouth, MN.
Primary responsibilities include, but are not limited to, the following:
- Estimating labor costs of manufacturing and engineering based on request for proposal (RFP) data submitted by prospective customers
- Compiling cost, schedule, and technical elements in the development of proposals in accordance with Request for Proposal (RFP) specifications.
- Calculating production costs using labor and material pricing schedules and historical data
- Collecting cost data from functional representatives and subcontractors
- Preparing cost reports and presenting results to management, contract personnel, proposal coordinators and customer representatives
- Supporting risk and opportunity assessment, quantification, and analysis during the proposal process.
- Preparing and maintaining historical cost data
- Supporting Cost Estimating team initiatives and continuous improvement.
- Participating as a member of the contract negotiating team.
- Interacting with other functional areas (Business Management, Contracts, Global Supply Chain, Program Management, Engineering, Manufacturing Operations, and Logistics) to develop strategies in support of proposal requirements and deadlines.
This position’s standard work schedule is a 9/80. The 9/80 schedule allows employees who work a nine‑hour day Monday through Thursday to take every other Friday off.
Basic Qualifications:
Basic Qualifications for a Level 3:
- High School Diploma or GED with 10 years of related experience
- Bachelor’s degree with 6+ years of related experience - OR - a Master's degree with 4+ years of related experience
- Extensive experience in pricing, finance, contracts, business and/or business operations
- Ability to prioritize effectively and complete work timely in a deadline driven environment
- Proficient in Microsoft Office suite of tools/applications, with a strong emphasis on Microsoft Excel
Preferred Qualifications:
- Aerospace/defense industry and business management experience
- Strong presentation skills
- Ability to create Microsoft Excel macros
- Knowledge of the Business Acquisition Process (BAP)
Skills Required
- High School Diploma or GED with 10 years related experience
- Bachelor's degree with 6+ years related experience
- Master's degree with 4+ years related experience
- Extensive experience in pricing, finance, contracts, business and/or business operations
- Ability to prioritize effectively and complete work timely in a deadline driven environment
- Proficient in Microsoft Office suite of tools/applications, with strong emphasis on Microsoft Excel
- Aerospace/defense industry and business management experience
- Strong presentation skills
- Ability to create Microsoft Excel macros
- Knowledge of the Business Acquisition Process (BAP)
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.








