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72 Str Principal Engineer Jobs Hiring Near You

STR

Program Manager & Operations Lead

Dayton, OH · On-site

$140K - $193K/yr

You will work closely with Principal Investigators, Chief Engineers, and technical staff to ensure ... STR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH ...

STR

Program Manager & Operations Lead

Dayton, OH · On-site

$140K - $193K/yr

You will work closely with Principal Investigators, Chief Engineers, and technical staff to ensure successful delivery of capabilities to sponsors. As the Operations Lead you will coordinate ...

STR

Principal Model-Based Systems Engineer

Woburn, MA · On-site

$206K - $284K/yr

STR is hiring a Principal Model-Based Systems Engineer (MBSE) in our Woburn, MA office (other locations: Dayton, OH & Arlington, VA) to work across a broad portfolio of DoD mission areas. The Systems ...

STR

Principal Model-Based Systems Engineer

Woburn, MA · On-site

$206K - $284K/yr

STR is hiring a Principal Model-Based Systems Engineer (MBSE) in our Woburn, MA office (other locations : Dayton, OH & Arlington, VA ) to work across a broad portfolio of DoD mission areas. The ...

STR

Principal Model-Based Systems Engineer

Arlington, VA · On-site

$206K - $284K/yr

STR is hiring a Principal Model-Based Systems Engineer (MBSE) in our Woburn, MA office (other locations: Dayton, OH & Arlington, VA) to work across a broad portfolio of DoD mission areas. The Systems ...

STR

Principal Model-Based Systems Engineer

Arlington, VA · On-site

$206K - $284K/yr

STR is hiring a Principal Model-Based Systems Engineer (MBSE) in our Woburn, MA office (other locations : Dayton, OH & Arlington, VA ) to work across a broad portfolio of DoD mission areas. The ...

STR

Principal Model-Based Systems Engineer

Woburn, MA

$206K - $284K/yr

STR is hiring a Principal Model-Based Systems Engineer (MBSE) in our Woburn, MA office (other locations : Dayton, OH & Arlington, VA ) to work across a broad portfolio of DoD mission areas. The ...

STR

Principal Radar Systems Engineer

Woburn, MA

STR is focused on delivering National Defense capabilities by driving mission-focused strategies to ... Principal Radar Systems Engineer to support/lead the architecting, design, development, and ...

STR

Principal Radar Systems Engineer

Woburn, MA · On-site

STR is focused on delivering National Defense capabilities by driving mission-focused strategies to ... Principal Radar Systems Engineer to support/lead the architecting, design, development, and ...

STR

Principal Radar Systems Engineer

Woburn, MA · On-site

STR is focused on delivering National Defense capabilities by driving mission-focused strategies to ... Principal Radar Systems Engineer to support/lead the architecting, design, development, and ...

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What are the key skills and qualifications needed to thrive as a Principal Engineer, and why are they important?

To thrive as a Principal Engineer, you need deep technical expertise in your engineering discipline, strong problem-solving abilities, and typically an advanced degree or equivalent experience. Familiarity with complex software development tools, architectural frameworks, and industry certifications like AWS Certified Solutions Architect or relevant PE licenses is common. Exceptional leadership, communication, and mentorship skills help Principal Engineers guide teams and influence project direction. These competencies are essential for driving innovation, ensuring technical excellence, and delivering large-scale, high-impact solutions.

How does a Principal Engineer typically collaborate with cross-functional teams to drive project success?

Principal Engineers play a key role in collaborating with cross-functional teams, such as product management, design, and operations, to ensure technical solutions align with business objectives. They often lead architectural discussions, mentor team members, and facilitate communication between engineering and non-engineering stakeholders. This collaboration helps identify potential challenges early, streamline development processes, and deliver high-quality products. Additionally, Principal Engineers are often involved in setting technical standards and guiding teams through complex problem-solving.

What are Principal Engineers?

Principal Engineers are highly experienced technical experts who lead engineering teams, provide strategic technical direction, and help solve complex engineering challenges within an organization. They often act as mentors, set technical standards, and collaborate with stakeholders across departments to drive innovation and ensure the success of engineering projects. Principal Engineers typically have many years of industry experience and are recognized for their deep technical knowledge and leadership skills.

What is the difference between Principal Engineer vs Senior Engineer?

AspectPrincipal EngineerSenior Engineer
CredentialsTypically requires 8+ years of experience, advanced technical skills, and often leadership or mentorship experienceUsually requires 3-7 years of experience with strong technical skills
Work EnvironmentLeads complex projects, influences technical strategy, collaborates across teamsFocuses on executing technical tasks, supporting project development, and mentoring junior staff
Employer & Industry UsageCommon in large tech companies, engineering firms, and organizations with advanced technical hierarchiesWidely used across industries for experienced technical contributors

The main difference between a Principal Engineer and a Senior Engineer lies in their level of responsibility, experience, and influence. Principal Engineers typically lead complex projects and shape technical strategies, while Senior Engineers focus on executing technical tasks and supporting team efforts. Both roles require strong technical skills, but Principal Engineers often have more leadership and strategic responsibilities.

What other companies are hiring for Principal Engineer jobs?
What are the most popular jobs at Str?
What are the most popular categories at Str?
Infographic showing various Principal Engineer job openings at Str in the United States as of May 2026, with employment types broken down into 100% Full Time. Highlights an 93% Physical, 4% Hybrid, and 3% Remote job distribution.
Program Manager & Operations Lead

Program Manager & Operations Lead

STR

Dayton, OH • On-site

$140K - $193K/yr

Full-time

Posted 22 days ago

Job description

About the Team:
The Real-time Architectures, Integration, and Demonstration (RAID) Group focuses on transition of algorithms from concept to real-time software, providing open architecture expertise, and facilitating integration of capabilities for experimentation, test, and deployment.
The Role:
As a Program Manager you will coordinate the execution of software development efforts across multiple teams where you will be responsible for planning, scheduling, budgeting, and reporting for complex software development projects targeting real-time RF sensor systems. You will work closely with Principal Investigators, Chief Engineers, and technical staff to ensure successful delivery of capabilities to sponsors.
As the Operations Lead you will coordinate, organize, and oversee execution of support activities across the full portfolio on programs within the RAID Group. This will include assisting with financial planning and metrics tracking, staff allocation, security and IT support coordination and other cross-organization collaboration.
What you will do:
  • Coordinate software development projects across multiple programs within the RAID portfolio
  • Develop and maintain Integrated Master Schedules and track program execution
  • Prepare technical reports, status briefings, and deliverables for sponsors and internal reviews
  • Manage program budgets, financial forecasts, and resource allocation
  • Track and manage program risks, issues, and action items; develop and execute mitigation strategies
  • Facilitate communication and collaboration between technical teams, leadership, and customers
  • Lead proposal development efforts including technical approach and scheduling
  • Interface with sponsor Program Managers, technical points of contact, and customer stakeholders
  • Ensure compliance with contract requirements and government regulations
  • Collaborate with cross-functional teams including algorithm developers, systems engineers, and integration staff
  • Coordinate staff planning for the RAID team to resource cross-organizational projects
  • Collaborate across the operations teams (e.g. contracts, finance, security, IT/IA, etc.) to ensure continued, timely support for current an upcoming projects
  • Support approximately 20% travel for customer meetings, program reviews, and integration events

Who you are:
  • Active Secret clearance with ability to obtain and maintain a Top Secret security clearance, for which U.S. citizenship is a government requirement
  • BS, MS, or PhD in Engineering, Computer Science, Mathematics, Physics, or a related field with 2-7+ years of relevant program management experience depending on degree (BS +7 years, MS +5 years, PhD +2 years)
  • Strong organizational skills and the ability to communicate effectively with both technical teams and customers
  • Experience with:
    • Managing / coordinating projects where software is a key component
    • Integrated master schedule creation and management
    • Technical writing, presentation skills, delivery of reviews for sponsors
    • Government reporting requirements and contract management
    • Budget management, financial tracking and forecasting, risk management
    • Proposal leadership and development and contributing to marketing efforts

Even Better:
  • Active Top Secret clearance (TS/SCI preferred)
  • Proficiency with project management tools (MS Project, Jira, Confluence, etc.)
  • Strong risk management and problem-solving skills
  • Experience with:
    • Effective collaboration with cross-functional technical teams
    • Management of sensor software development programs
    • Earned Value Management (EVM)
  • PMP, DAWIA, or similar program management certification
  • Technical understanding of RF signal processing systems

Join us and be part of a team that's making an impact at the forefront of technology and innovation.
Pay Information
Full-Time Salary Range: $140,000 - $193,000
The salary range listed is based on external market data. Offers are based on factors, such as but not limited to, the candidate's experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.
STR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, and Carlsbad, CA. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us.
STR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer.
STR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at www.str.us for more info.
STR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws.
If you need a reasonable accommodation for any portion of the employment process, email us at appassist@str.us and provide your contact info.
Pursuant to applicable federal law and regulations, positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.

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