Software Systems Engineer

Role Summary

Description

Leidos is dedicated to making the world a safer place. This starts with helping our customers in the Defense Industry achieve their critical missions. Our dedicated Defense Group employees are solving critical challenges across the globe. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides responsive, cost-effective engineering, scientific and IT solutions. Leidos is well known for our people-oriented culture, positive work environment, technical excellence, and resilient business ethics.

We are seeking a highly motivated and detail-oriented Software Systems Engineer to support complex defense and government programs throughout the systems engineering lifecycle. The ideal candidate will have strong defense industry experience, expertise in requirements development and management, and hands-on experience with Model-Based Systems Engineering (MBSE) methodologies and tools including Cameo and Jama. This role requires collaboration with cross-functional engineering teams, program leadership, and government stakeholders to support system design, development, integration, verification, and delivery.

Responsibilities

• Perform systems engineering activities across the full system lifecycle including:
• Requirements analysis
• Functional decomposition
• System architecture development
• Integration & Test
• Verification & Validation (V&V)
• Configuration management
• Risk management
• Develop, analyze, and maintain system engineering documentation including:
• Program Interface Documents (PIDs)
• Interface Control Documents (ICDs)
• System/Subsystem Specifications (SSS)
• Software Requirements Specifications (SRS)
• Support requirements decomposition, allocation, traceability, and change management activities.
• Utilize Jama for requirements management, traceability, and collaboration across engineering teams.
• Utilize Cameo Systems Modeler to develop and maintain MBSE artifacts and system models.
• Support requirements decomposition, allocation, traceability, and change management activities.
• Develop SysML diagrams including
• Activity diagrams
• Sequence diagrams
• Use case diagrams
• Interface models
• Support model-based architecture development and interface definition activities.
• Conduct technical reviews, requirements reviews, and design reviews with internal teams.
• Collaborate with software, hardware, cybersecurity, integration, and test teams to ensure system performance and compliance.
• Provide technical leadership and support cross-functional collaboration across program teams.
• Ensure engineering products comply with customer requirements, program objectives, and industry standards.
• Participate in risk identification, mitigation planning, and technical issue resolution

Requirements

• Be a US citizen with ability to obtain a security clearance
• Bachelor's degree in Systems Engineering, Electrical Engineering, Computer Engineering, Software Engineering, or related technical field.
• 12+ years of systems engineering experience or 10+ years with MS degree.
• Prior experience supporting defense industry or Department of Defense (DoD) programs.
• Hands-on MBSE experience using Cameo Systems Modeler.
• Experience with model-based architecture development and SysML modeling.
• Experience using Jama for requirements management and traceability.
• Strong experience in requirements development and management.
• Experience developing and maintaining:
• Program Interface Documents (PIDs)
• Interface Control Documents (ICDs)
• System/Subsystem Specifications (SSS)
• Software Requirements Specifications (SRS)
• Experience with:
• Requirements analysis
• Functional decomposition
• System architecture development
• Verification & Validation (V&V)
• Integration & Test
• Configuration management
• Risk management
• Familiarity with Jira and Confluence collaboration tools.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

About the Company

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

Your greatest work is ahead!

We are looking for a Substation Protection & Controls Engineer to join our team. As a Career Protection & Control Engineer, candidates will have the opportunity to design substation protection and control projects for electric utilities at voltages from 12kV up to 500kV. This is an exciting and growing field in the power systems industry and allows candidates to get exposure to how the power generation such as that of renewable energy ties into the electric system. Candidates will be expected to use knowledge of digital logic design, AC and DC circuits to design substation electrical projects.

HYBRID SCHEDULE: Candidates must live in Framingham, MA office's client servicing territory. MA, CT, NH, RI. (1 - 4 days in office.)

Successful candidates can look forward to a fast paced, diverse work environment and flexible work hours/work arrangements as well as managers who will encourage career development and growth including:

In this role, you can also expect to gain experience in the following: