Jobs in the United States

25+ jobs

Save this search

Added 3 mins ago
Manufacturing Engineer - Level II
diasorinsp
AUSTIN, TX
The Manufacturing Engineer, Level II will be responsible for: designing, developing, and implementing automated control systems to enhance the efficiency and reliability of our Instruments…
Added 3 mins ago
Specialist, Software Engineer 1
L3Harris Technologies
Greenville, TX
The Specialist, Software Engineering develops and sustains software for Intelligence, Surveillance, and Reconnaissance (ISR) programs in Greenville, Texas. The role covers requirements,…
Added 7 mins ago
CI
Design Engineer
Cintal, Inc.
Chillicothe, IL
- $74,000 to $79,000 USD / year
Harness design and assembly, electrical hardware integration & fabrication, test equipment setup, software regression testing, building demo kits, test-track/field support
Added 13 mins ago
Software Engineer - Salesforce Sales/Health Cloud
Humana Inc.
Louisville, KY · Charlotte, NC · Tampa, FL · Dallas, TX · Fort Lauderdale, FL · Washington, DC · Chicago, IL · Atlanta, GA · NY · Nashville, TN · Boston, MA
Humana is seeking a Software Engineer 2 to help develop and support Salesforce Health Cloud solutions that power our growing Primary Care business. In this role, you will contribute to…
Added 16 mins ago
Active Electrical Cable Module FW Engineer – Tech Lead
Astera Labs
San Jose, CA · CA
This role combines low-level embedded software, hardware integration, and system-level debug. You will drive technical execution from firmware architecture and STM32 bring-up through…
Added 16 mins ago
UG
Senior Software Engineer - Remote
UnitedHealth Group
Eden Prairie, MN
- $91,700 to $163,700 USD / year
The Sr. Software Engineer is a senior technical contributor responsible for designing, developing, deploying, and maintaining scalable, secure, and high-performing enterprise software…
Added 17 mins ago
MT
Strategic Interfaces Systems Engineer
Modern Technology Solutions Inc
El Segundo, CA · El Segundo
- $135,000 to $169,000 USD / year
The MILSATCOM Systems Engineering, Integration and Test (MSEIT) team in support of Space Systems Command (SSC) in El Segundo is seeking an individual to provide requirements development and…
Added 17 mins ago
MT
ESS Terminals Systems Engineer
Modern Technology Solutions Inc
El Segundo, CA · El Segundo
- $135,000 to $169,000 USD / year
The ESS Terminals Systems Engineer will play a critical role in designing, implementing, and maintaining complex infrastructure, platform, and software systems that support National…
Added 18 mins ago
IG
Secret Software Engineer
Insight Global
Tucson, AZ
- From $90 USD / hour
This onsite role in Tucson focuses on the design, development, and integration of software supporting factory test systems for weapon system products. The engineer works hands on with…
Added 20 mins ago
CC
Contract Technical Lead
CapTech Consulting
Remote, United States
- $80 USD / hour
The ideal candidate is a senior Java engineer who has progressed into technical leadership or architecture while remaining hands-on, with deep experience across Java, AWS, enterprise…
Added 20 mins ago
CC
Contract Technical Lead
CapTech Consulting
Remote, United States
- $80 USD / hour
The ideal candidate is a senior Java engineer who has progressed into technical leadership or architecture while remaining hands-on, with deep experience across Java, AWS, enterprise…
Added 20 mins ago
CC
Contract Technical Lead
CapTech Consulting
Remote, United States
- $80 USD / hour
The ideal candidate is a senior Java engineer who has progressed into technical leadership or architecture while remaining hands-on, with deep experience across Java, AWS, enterprise…
Added 20 mins ago
CC
Contract Technical Lead
CapTech Consulting
Remote, United States
- $80 USD / hour
The ideal candidate is a senior Java engineer who has progressed into technical leadership or architecture while remaining hands-on, with deep experience across Java, AWS, enterprise…
Added 20 mins ago
CC
Contract Technical Lead
CapTech Consulting
Remote, United States
- $80 USD / hour
The ideal candidate is a senior Java engineer who has progressed into technical leadership or architecture while remaining hands-on, with deep experience across Java, AWS, enterprise…
Added 20 mins ago
CC
Contract Technical Lead
CapTech Consulting
Remote, United States
- $80 USD / hour
The ideal candidate is a senior Java engineer who has progressed into technical leadership or architecture while remaining hands-on, with deep experience across Java, AWS, enterprise…
Added 20 mins ago
CC
Contract Technical Lead
CapTech Consulting
Remote, United States
- $80 USD / hour
The ideal candidate is a senior Java engineer who has progressed into technical leadership or architecture while remaining hands-on, with deep experience across Java, AWS, enterprise…
Added 21 mins ago
Principal Mechanical HW Engineer
BAE Systems
Huntsville, AL
…selected individual will contribute to the design, development, integration/test, and production of complex systems for military applications. They will work with a multi-discipline team to…
Added 21 mins ago
System Validation Engineer
ALTEN Technology USA
Foster City, CA · Irvine, CA
We are seeking an experienced System Validation Engineer to join our System Validation (SVT) team. SVT owns system-level validation of the vehicle: confirming that fully integrated systems,…
Added 21 mins ago
Senior Cloud Security & Dev Sec Ops Engineer
Pretium Enterprise Services, LLC
Remote, United States
Pretium Enterprise Services is seeking a Senior Cloud Security and DevSecOps Engineer to own cloud security engineering across the operating companies PES supports. Your first priority is…
Added 21 mins ago
Data Security Engineer
Pretium Enterprise Services, LLC
Remote, United States
Engineer and tune DLP policies for prioritized email, collaboration and endpoint use cases. Test detection and enforcement with representative scenarios, investigate missed detections and…
Added 21 mins ago
Senior Product Security Engineer
The Boeing Company
Berkeley, MO
+ 9+ years of combined software development, integration & test experience and/or mission systems experience
Added 23 mins ago
Mechanical Engineer
Arthur G Russell Co
Fletcher, NC
As a Mechanical Engineer, you will support the design and development of custom automated manufacturing equipment from concept through installation and startup. Working alongside…
Added 23 mins ago
Identity & Access Management (IAM) Engineer, Senior
TCC Toyota Motor Credit Corporation Company
Plano, TX
Toyota Financial Services (TFS) is seeking a Senior Identity and Access Management (IAM) Engineer to join the SailPoint engineering team within our Information Security organization. This…
Added 23 mins ago
Senior Software Developer - Mobile Technologies
Miami, FL
Senior Software Developer - Mobile Technologies (Miami/Hybrid)
Added 27 mins ago
A
Devsecops Engineer
Actalent
Wilmington, MA
- $70 to $100 USD / hour
Job Title: DevSecOps EngineerJob DescriptionThe DevSecOps Engineer will design, implement, and maintain robust security controls across AWS cloud environments that support connected medical…

Modern Technology Solutions Inc

Strategic Interfaces Systems Engineer

El Segundo, CA, United States
El Segundo, United States

On-site

$135,000 to $169,000 USD / year

Apply About employer

Applications open in a new tab.

Job details

Pay: $135,000 to $169,000 USD / year
Workplace: On-site
Apply by: May 8, 2027
Posting language: English
Posted: Nov 9, 2026

Original job description

Modern Technology Solutions, Inc. (MTSI) is seeking a Strategic Interfaces Systems Engineer to join our team in El Segundo, CA.

The MILSATCOM Systems Engineering, Integration and Test (MSEIT) team in support of Space Systems Command (SSC) in El Segundo is seeking an individual to provide requirements development and management support for the Military Satellite Communications (MILSATCOM) Capability area. The MILSATCOM portfolio of programs has an ongoing need for IA/Cybersecurity support, to meet the needs of our emerging next-generation protected SATCOM.

The MSEIT contract provides leading-edge Systems Engineering & Integration (SE&I) support for the U.S. Space Force’s SSC. We support the Space Force’s acquisition of state-of-the-art MILSATCOM 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, author, and maintain Interface Control Documents (ICDs) for cross-system interfaces between space (including spacecraft and payloads) and ground segments.
Serve as the system-level ICD owner/book boss, responsible for coordinating inputs, maintaining document structure, adjudicating comments, and ensuring the ICD reflects the authoritative technical baseline.
Work closely with the Configuration Management team in preparing for Engineering Review Boards (ERBs) and Configuration Control Boards (CCBs)
Develop interface diagrams, data dictionaries, message formats, command and telemetry mappings, and system level interface descriptions.
Identify interface risks and drive technical issue resolution across engineering teams.
Support system integration and test activities by providing authoritative interface documentation and clarification.
Ensure that documentation complies with best practices, program standards, and regulatory requirements.
Provide technical Subject Matter Expert (SME) support to review of Prime contract Change Proposals
Manage and coordinate Interface Working Groups, ensuring consistent communication across all stakeholders.
Work closely with MSEIT modeling team to ensure models align with relevant ICDs and requirements flowdown associated with the cybersecurity technical baseline.
Develop acquisition and technical briefings, plans, papers, and other documentation in support of Gov’t decision making. Collaborating with prime contractors, other support contractors, government civilians, and members of the U.S. Space Force

Work Environment:

Location: On-site
Travel Requirements: Minimal
Working Hours: Standard

Qualifications:

Required:

Ability to obtain and maintain a Secret clearance is required for this position
Bachelor’s degree in engineering, computer science, or related technical field.
8+ years of experience in satellite systems, spacecraft development, or aerospace engineering.
5 years’ experience working on DoD programs
Direct experience developing or managing Interface Control Documents (ICDs) for complex systems.
Strong familiarity with spacecraft subsystems (e.g., payloads, RF comms, power, GNC, thermal, propulsion, on-board Command and Data Handling).
Ability to read and create schematics, interface diagrams, and data communication structures.
Experience with systems engineering tools (e.g., DOORS, Cameo).
Excellent technical writing, documentation, and communication skills.
Strong interpersonal skills, communication (oral and written), and presentation skills
Demonstrated ability to clearly articulate ideas, recommendations and options to customers, senior leaders, and stakeholders
Proficient in Microsoft Office products (e.g., Word, Excel, PowerPoint)

Desired Skills and Experience:

Active SECRET or higher clearance
Master’s degree in engineering, computer science, or related technical field.
12+ years’ experience with space systems in support of space or ground segment development
12+ years’ experience in a space acquisitions environment
Experience in satellite hardware and software development
Experience in Military, DoW, or Intelligence Community space
Experience with MILSATCOM, such as ESS, AEHF, EPS, PTES, PTS, WGS, and FAB-T terminal programs
Proficient in usage of model-based systems engineering (MBSE) tools
Professional certifications (e.g., PMP, INCOSE CSEP / ESEP / ASEP)

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.

#MTSI #MTSIJOBS #MSEIT

Apply About employer

More about this job

Skills

ICT system integration
Documentation
Communication skills
Cybersecurity
Decision making
Computer science
Aerospace engineering
Technical writing
Interpersonal skills
Presentation skills
Microsoft Office
Microsoft Word
Microsoft Excel
Microsoft PowerPoint
Ground segment
Software development
PMP

Report this job