Senior Evolved Strategic Systems (ESS) Program Systems Integration Engineer

Modern Technology Solutions, Inc.
$140,000.00 - $200,000.00 / yr
401(k)
United States, California, El Segundo
Oct 09, 2025
Modern Technology Solutions, Inc. (MTSI) is seeking a Senior Evolved Strategic Systems (ESS) Program Systems Integration Engineer to join our team in El Segundo, CA. Due to security requirements, work is required to be on-site in a secure facility. You will join a Systems Engineering team defining the next generation of space communication systems supporting Air Force Military Satellite Communications. You will support Systems Engineering & Integration activities in a multidisciplinary and collaborative environment. The Systems Integration Engineer will interface and collaborate with SE&I team members, contractors, government civilians and members of the USAF. The Systems Integration Engineer will lead and support several working groups responsible for leading technical discussion, resolve and identify risk, requirement gaps, developing briefings, writing and tracking action items, and authoring meeting minutes. The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading edge Systems Engineering & Integration (SE&I) for the Air Force's Space and Missiles System Center. We support the Air Force's acquisition of state-of-the-art Military Satellite Communications systems, providing global secure, survivable, and protected communications for our nation's warfighters. We seek technical individuals who will thrive in a highly collaborative work environment of small teams, using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground communications systems. Key Responsibilities: Develop and implement integration strategies and processes to successfully integrate satellite communication systems, segments (Ground, Space, Crypto, Terminals), subsystems, elements, and components; manage the technical baselines among different stakeholders Perform analysis of the systems requirements that define the technical baseline and verification of the technical baseline Apply Digital Engineering methods and modeling strategies (i.e. Digital twins) to support integration and test activities Work with Government and contractor personnel to close gaps of customer requirements among the programs; support major requirements reviews, design reviews, and other associated meetings Lead and support Government/Contractor Working Group meetings-by developing briefings, leading discussion, and writing minutes-to address/resolve risks, issues, and action items Review proposed changes to the technical baseline for impacts to enterprise capabilities and to cross-stakeholder integration concerns Define and deliver alternative of solutions to address different integration challenges; manage schedule impact and overall delivery of products Facilitate review of program documents by providing comments, compiling other reviewer comments, and working with contractor to adjudicate the comments. Serve as a subject matter expert to assess technical issues and to prepare briefings to U.S. Space Force program office personnel and other stakeholders; provide courses of actions to support Government decisions Support management of risks, issues, interdependencies, identifying schedule disconnects and conflicts, developing action plans for resolution, and assisting the Government in executing selected solutions Work Environment: Location:On-site Travel Requirements:Minimal Working Hours:Standard Qualifications: Required: Active Secret clearance required with the ability to obtain a Top Secret clearance MS in technical field, such as engineering and computer science. 15+ years demonstrated experience in Systems Engineering 10+ years demonstrated experience leading technical teams Strong interpersonal skills, communication (oral and written), and presentation skills Proficient in Microsoft Office products (Word, Excel, Powerpoint) Due to security requirements, work is required to be on-site in a secure facility Desired: PhD in technical field, such as engineering, mathematics, physics, or computer science Experience with MILSATCOM, such as AEHF, PTS, EPS, WGS, and FAB-T terminal programs Experience working with military and DoD civilians Experience with ground and airborne systems, such as terminals and networks Demonstrated strong Systems Engineering and Technical Leadership experience Knowledge and experience in Agile Development and collaboration tools (Jira/Confluence) Compensation: The pay range for this position in California is $140,000/year to $200,000/year; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, and other benefits, dependent on the position offered. Base pay information is based on market location. Applicants should apply via MTSI's internal or external careers site. #LI-MM1 #MTSI #MTSIJOBS Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry. 100% Employee Owned: We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year. Great Benefits - Most Full-Time Staff Are Eligible for: Starting PTO accrual of 20 days PTO/year + 10 holidays/year Flexible schedules 6% 401k match with immediate vesting up to $9k annually Semi-annual bonus eligibility (July and December) Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account Up to $10,000 in annual educational reimbursement Other company funded benefits, like life and disability insurance Optional zero deductible Blue Cross/Blue Shield health insurance plan Track Record of Success: We have grown every year since our founding in 1993. Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide. For more information about MTSI, please visit www.mtsi-va.com MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.