New

ESS Terminals Systems Engineer

Modern Technology Solutions, Inc.
$135,000.00 - $169,000.00 / yr
401(k)
United States, California, El Segundo
Nov 09, 2026
Modern Technology Solutions, Inc. (MTSI) is seeking an ESS Terminals Systems Engineer to join our team in El Segundo, CA. The ESS Terminals Systems Engineer will play a critical role in designing, implementing, and maintaining complex infrastructure, platform, and software systems that support National Leadership Authority capabilities. This position requires a deep understanding of system architecture, Protected SATCOM Terminal configurations, and security protocols to ensure robust, scalable, and secure environments. The engineer will collaborate closely with outside organizations to analyze system requirements and oversee development, delivery, and implementation of those requirements. Additionally, the role involves leading technical projects and contributing to the development of best practices and documentation. An ideal candidate would be someone with experience in working with Protected SATCOM Terminals - either operationally or with prior experience on the engineering and integration side. You will join a Systems Engineering team defining the next generation of space communication systems supporting Space Force Military Satellite Communications. You will support Systems Engineering & Integration activities in a multidisciplinary and collaborative environment. You will interface and collaborate with SE&I team members, contractors, government civilians and members of the USSF to provide acquisition management development and support. The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading edge Systems Engineering & Integration (SE&I) for the Space Force's Space Systems Command. We support the Space Force's acquisition of state-of-the-art Military Satellite Communications systems, providing global secure 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. Work Environment: Location:On-site Travel Requirements:Minimal Working Hours:Standard Qualifications: Required: Active DoD Secret clearance Bachelor's degree in engineering, mathematics, physics, computer science, or related technical field 8+ years' engineering experience 5+ years' experience in Systems Engineering, such as requirements and technical baseline development, test planning and integration, verification, and validation Experience developing or managing requirements or Interface Control Documents (ICDs) for complex systems 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 Skills and Experience: Active Top Secret clearance Master's degree in technical field, such as engineering, mathematics, physics, or computer science, or related technical field Experience with MILSATCOM systems, 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 Knowledge and experience in Agile Development and collaboration tools (Jira/Confluence) Professional certifications (e.g., PMP, INCOSE CSEP or ESEP) Compensation: The pay range for this position in California is $135,000/year to $169,000/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. Applications will be accepted on an ongoing basis. This posting will be renewed periodically until the position is filled. #LI-MM1 #MTSI #MTSIJOBS #MSEIT 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.