Principal Engineer Jobs in Connecticut
Principal Engineer jobs in Connecticut are concentrated in Hartford, Stamford, and New Haven, where defense contractors, financial services firms, and advanced manufacturing companies maintain major engineering operations. Employers like Raytheon Technologies, Synchrony Financial, and Sikorsky Aircraft consistently hire principal engineers to lead complex systems, software, and mechanical programs. Demand is especially strong in embedded systems, systems architecture, and aerospace engineering, with openings ranging from senior technical leads to principal-level architects. See the openings below and apply to the ones that match your experience.
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Date Posted:
2026-11-11Country:
United States of AmericaLocation:
US-CT-EAST HARTFORD-ETC ~ 400 Main St ~ BLDG ETCPosition Role Type:
OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements:
The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearanceSecurity Clearance Type:
DoD Clearance: SecretSecurity Clearance Status:
Active and existing security clearance required after day 1At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.
Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power systems and has been revolutionizing modern flight for over 100 years. Join us and help shape the future of aerospace and defense.
What you Will Do:
Pratt & Whitney Controls & Diagnostic Systems (CDS) is a dynamic engineering organization focused on the development and certification of military and commercial gas turbine engine control and diagnostic systems. CDS is responsible for all aspects of Pratt & Whitney engine control and diagnostic system development and support, including requirements analysis & definition, system & software architecture, algorithm design, product software design, verification & validation and engine and flight test support.
The CDS organization is seeking a highly motivated, team oriented, and results driven Principal Engineer to join the Engine System Software organization. The qualified candidate will be responsible for:
- Develop and/or lead software requirements and designs within the Agile Framework:
- Decompose system level and customer interface requirements into software requirements and designs
- Document traceability or rationale for derived requirements and designs
- Conduct iterative prototype testing of requirements and designs
- Perform reviews of requirements and designs
- Participate in software planning, estimating and tracking
- Produce software requirement and design specifications
- Perform and/or lead software verification within the Agile Framework:
- Conduct regression analysis to determine verification scope
- Develop / review software test descriptions with traceability to software requirements
- Develop and execute electronic bench test scripts
- Evaluate / review test results
- Execute robustness testing
- Execute low-level module/object testing
- Conduct Verification Reviews
- Produce Verification Reports
- Participate in and/or lead Agile ceremonies
- Participate in software planning, estimating and tracking per Agile framework
- Potential to serve as Agile Scrum Master, Product Owner, Product Manager, and/or part of the Development Team
What You Will Learn:
As a member of a dynamic engineering organization, this position offers the candidate an excellent opportunity to apply multidisciplinary engineering and leadership skills in the development and support of complex engine control and diagnostic systems and software.
Qualifications You Must Have:
- Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM)
- 8 years of engineering experience or 3 years with an advanced degree
Qualifications We Prefer:
- Controls Systems development and support
- Solid track record of achieving results in a technical role
- Ability to work in a dynamic, high pressure engineering environment
- Prior experience developing software in an Agile framework
- Prior safety critical software development experience
- Knowledge of regulatory standards such as DO178B
- Outstanding cross discipline communication skills
- Familiarity with jet engine control and diagnostic system architectures and control logic design
What We Offer:
- Benefits
- Relocation Assistance
Learn More & Apply Now!
Engine Design & Systems Integration (EDSI)
Controls & Diagnostics Systems (CDS)
CDS develops complex, cyber-resilient control systems and software for commercial and military engines including power and thermal management Systems and auxiliary power units. CDS also develops advanced diagnostic & health management systems to monitor our products, forecast events and help facilitate MRO operations. With growing emphasis on sustainability, CDS is on the forefront of system development for hybrid and electric propulsion.
What is my role type?
In addition to transforming the future of flight, we are also transforming how and where we work. We’ve introduced role types to help you understand how you will operate in our blended work environment.
Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance workers, as they are essential to the development of our engines.
Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.
As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.
Privacy Policy and Terms:
See All 23 Principal Engineer Jobs in Connecticut
Find roles in Connecticut that match your experience and apply in just a few clicks.
Find Principal Engineer JobsPrincipal Engineer Jobs by City in Connecticut
Where Connecticut roles are concentrated, by current openings.
Principal Engineer Job Market in Connecticut
A snapshot from current Connecticut openings, updated as new roles post.
Who's Hiring
- Pratt & Whitney12

- Collins Aerospace3

- HSB1

- FactSet1

- Avangrid1

What Connecticut Employers Look For
The qualifications that appear most often in principal engineer jobs across Connecticut.
- Bachelor's or master's degree in engineering or a closely related technical discipline
- Ten or more years of progressive engineering experience with demonstrated technical leadership
- Experience leading cross-functional teams and setting technical direction on complex programs
- Proficiency in systems engineering, software architecture, or domain-specific engineering toolchains
- Ability to obtain or maintain a U.S. security clearance, required by many Connecticut defense employers
- Strong written and verbal communication skills for executive stakeholders and external partners
Principal Engineer Jobs in Connecticut: Frequently Asked Questions
How do you become a principal engineer in Connecticut?
Most principal engineers in Connecticut reach the role through a combination of an accredited engineering degree and deep technical experience in a specific domain such as aerospace, software, or electrical systems. Connecticut does not require a state-issued professional engineering license for most industry principal engineer roles, though holding a Professional Engineer license from the Connecticut Department of Consumer Protection strengthens candidacy for roles in civil, structural, or public-sector engineering. Employers typically expect demonstrated leadership of complex projects before promoting or hiring at the principal level.
Which companies hire principal engineers in Connecticut?
Employers hiring principal engineers in Connecticut right now include Pratt & Whitney, Collins Aerospace, and HSB, based on current listings on Migrate Mate as of November 2026. Connecticut's concentration of defense primes, insurance technology firms, and precision manufacturing companies means principal engineer demand is distributed across both the Hartford corridor and the Fairfield County coastal strip.
Which Connecticut cities have the most principal engineer jobs?
The cities with the most principal engineer openings in Connecticut are East Hartford, Windsor Locks, and Hartford. Hartford anchors the market through its concentration of defense contractors and insurance technology companies, while Stamford draws financial services engineering roles and Shelton and Norwalk host growing corporate engineering centers that consistently post principal-level openings.
Are there remote principal engineer jobs in Connecticut?
Yes, but they are less common than in purely software-focused fields, since many Connecticut principal engineer roles involve hardware, defense systems, or on-site lab work that limits remote arrangements. About 39% of principal engineer openings tied to Connecticut are remote or hybrid as of November 2026, with most flexibility concentrated in software architecture and systems integration roles rather than aerospace or advanced manufacturing positions.
How can I get hired as a principal engineer in Connecticut with little or no experience?
The most realistic path is starting as an associate or staff engineer at a large Connecticut employer such as Raytheon Technologies or Sikorsky and progressing through increasingly senior technical roles. Rotational engineering programs at major defense and manufacturing firms in the Hartford area are designed for recent graduates and provide the cross-functional exposure principal roles require. Building a portfolio of system-level design contributions, pursuing a Professional Engineer license through the Connecticut Department of Consumer Protection, and moving laterally from senior software engineer or systems engineer positions are the most common doors into principal-level work.
Where can I find and apply to principal engineer jobs in Connecticut?
You can find and apply to principal engineer jobs in Connecticut on Migrate Mate, which lists current openings from employers across the state. Search the listings to find roles that match your engineering discipline, industry background, and preferred location, then apply directly to the ones that fit your experience.
See All 23 Principal Engineer Jobs in Connecticut
Find roles in Connecticut that match your experience and apply in just a few clicks.
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