Network Architect and Solutions Engineer

Modern Technology Solutions Inc • El Segundo, CA

13h • $150,000 - $187,000 • Onsite

About The Position

Modern Technology Solutions, Inc. (MTSI) is seeking a Network Architect and Solutions Engineer to join its team in El Segundo, California. The position supports the MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort, which provides systems engineering and integration support for the U.S. Space Force’s Space Systems Center. The work supports acquisition of satellite communications systems that provide secure, survivable, and protected communications for warfighters. The role is part of a collaborative, small-team environment addressing integration challenges across complex space and ground communications systems.

The Network Architect and Solutions Engineer advises government leadership on MILSATCOM backhaul and network transport solutions. The role develops and reviews network requirements, concepts of operations, and performance parameters; independently assesses contractor architectures; and supports evaluation of technical risks and architectural alternatives across space, ground, and terrestrial environments. It also supports integration of SATCOM systems with Department of Defense infrastructure, including DISA services and Service-specific networks.

The position analyzes network architecture and performance, coordinates with government and industry stakeholders, contributes to acquisition and technical reviews, and supports verification, validation, and operational acceptance. The work is on-site in El Segundo, with minimal travel and standard working hours.

Requirements

• Active Secret security clearance.
• Bachelor’s degree in engineering, mathematics, physics, computer science, or an equivalent technical discipline.
• 10 or more years of experience supporting military communications or network systems acquisition and/or operations.
• 5 or more years of experience in development, research, or advanced engineering environments supporting government programs.
• 5 or more years of experience interfacing directly with senior stakeholders and contributing to requirements development and technical decision-making.
• Demonstrated experience in a SETA, SEIT, FFRDC, or government advisory role supporting space and/or networked systems.
• Expertise in developing networking CONOPS and technical requirements for military or government systems.
• Strong understanding of MILSATCOM architectures, including backhaul services, ground systems, and enterprise network integration.
• Knowledge of DoD network environments, including transport, routing, switching, and enterprise services.
• Ability to perform independent technical analysis of contractor solutions.
• Ability to coordinate effectively with senior government, DISA, and industry stakeholders.
• Strong written and verbal communication skills, including preparation of technical briefs, recommendations, and decision-support materials.
• Working knowledge of software or scripting languages used for network modeling, emulation, or simulation.

Nice To Haves

• TS/SCI eligibility or an active TS/SCI clearance.
• Master’s degree in engineering, mathematics, physics, computer science, or an equivalent technical discipline.
• Experience with software-defined networking (SDN), virtualized network functions (VNF), or modern network management architectures.
• Experience supporting DISA architectures, transport services, or enterprise network integration efforts.
• Expertise in software development or automation supporting network design, testing, or analysis.
• Familiarity with DISA services, architectures, and transport offerings.
• Experience with the DoD acquisition lifecycle, requirements definition, and systems engineering processes.
• Experience working in multi-domain environments, including space, terrestrial, and enterprise networks.
• Systems engineering or program management certifications such as CSEP, ESEP, PMI, or PMP.

Responsibilities

• Advise government leadership on MILSATCOM backhaul and network transport solutions.
• Develop, review, and refine network requirements, concepts of operations (CONOPS), and technical performance parameters for SATCOM-enabled services.
• Independently assess prime contractor network architectures for alignment with government standards, mission needs, and enterprise integration requirements.
• Support government evaluation of system trades, technical risks, and architectural alternatives across space, ground, and terrestrial environments.
• Analyze MILSATCOM backhaul architectures, including space segments, ground/baseband processing, transport, and enterprise network interfaces.
• Support integration planning between prime SATCOM systems and DoD infrastructure, including DISA services and Service-specific networks.
• Assess baseband network switching, routing, and transport mechanisms required to connect SATCOM systems to DoD enterprise environments.
• Identify interoperability concerns, interface gaps, and network performance impacts across integrated systems.
• Coordinate with prime contractors, government program offices, DISA, and operational users to align designs with mission, security, and operational constraints.
• Support definition and review of interface requirements, network diagrams, and technical documentation for interoperability and standards compliance.
• Analyze bandwidth, latency, availability, redundancy, and resiliency for MILSATCOM backhaul architectures.
• Provide technical input to acquisition activities, including requirements development, RFP support, design reviews, and test planning.
• Evaluate and recommend network technologies, protocols, and architectures to improve performance, security, and resiliency across SATCOM and terrestrial segments.
• Participate in and lead technical interchange meetings with government and industry stakeholders to resolve integration challenges.
• Support system verification, validation, and operational acceptance for SATCOM and network transport solutions.
• Mentor others and serve as a subject-matter expert in MILSATCOM networking and DoD integration best practices.

Benefits

• MTSI offers a full range of medical, financial, and other benefits, dependent on the position offered.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior