Apex Systems
Senior Systems Architect and Design Engineer
Apex Systems, Richardson, Texas, United States, 75080
Apex Systems is a world class technology services business that incorporates industry or insights and experience to deliver solutions that fulfill our clients’ digital visions.
We have an opportunity for a Principal Systems Architect. For applicants who are interested in this opportunity, send your updated resume to Mike Konjoian, Account Manager, at.
Position: Principal Systems Architect
Location: Richardson, TX
Clearance: Active Top Secret / SCI Clearance Required, Citizens Only
Project Duration: 3 months with possibility of extension or conversion
Rate: Negotiable Based on Experience
Job Summary We are seeking a Principal System Safety Engineer to lead the development and execution of system safety programs in compliance with MIL-STD-882E. This role involves performing detailed safety analyses, collaborating across engineering disciplines, and interfacing with government and customer stakeholders to ensure safety requirements are integrated throughout the product lifecycle. The ideal candidate will have extensive experience in safety engineering within defense or aerospace environments, strong analytical skills, and the ability to mentor junior engineers while managing complex technical programs.
Responsibilities
Develop Concept of Operations (CONOPS) documentation for missile defense systems.
Design and document Command & Control (C2) architectural approaches using DoDAF formats.
Contribute to the technical implementation of DMRA Data Mesh architecture, including 15 core services.
Create multi-domain integration designs across 8 operational domains: Air, Space, Maritime, Land, Cyber, Subsurface, Electromagnetic (EM), and Information.
Produce Interface Control Documents (ICDs) and API specifications to ensure system interoperability.
Required Qualifications
Bachelor’s degree in Engineering, Mathematics, or Physics.
10+ years of experience in missile defense or C2 / Battle Management system development or integration.
Expertise in DoD Architecture Frameworks: DoDAF, MODAF, Systems Engineering Lifecycle (SEL). C4ISR Systems: Track correlation, sensor fusion, fire control integration, battle Architecture: Data mesh patterns, federated governance, microservices, event-driven architectures.
Preferred Qualifications
Experience with Model-Based Systems Engineering (MBSE) for DoD systems.
Familiarity with the F2T2EA kill chain (Find, Fix, Track, Target, Engage, Assess), especially sensor fusion and data correlation.
Prior work with Raytheon, Lockheed Martin, or Northrop Grumman defense platforms.
Knowledge of Cross-Domain Solutions (CDS), Multi-Level Security (MLS), and Zero Trust Architecture.
Understanding of standards and frameworks such as CMOSS, SOSA, FACE, OMS / UCI, STANAG.
Experience with JADC2 or ABMS programs.
Familiarity with systems like AEGIS, THAAD, or Patriot.
Understanding of DDIL operations and coalition interoperability.
Background in AI / ML integration for defense applications, including experience with Maven or Lattice frameworks.
EEO Statement Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or 844-463-6178.
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We have an opportunity for a Principal Systems Architect. For applicants who are interested in this opportunity, send your updated resume to Mike Konjoian, Account Manager, at.
Position: Principal Systems Architect
Location: Richardson, TX
Clearance: Active Top Secret / SCI Clearance Required, Citizens Only
Project Duration: 3 months with possibility of extension or conversion
Rate: Negotiable Based on Experience
Job Summary We are seeking a Principal System Safety Engineer to lead the development and execution of system safety programs in compliance with MIL-STD-882E. This role involves performing detailed safety analyses, collaborating across engineering disciplines, and interfacing with government and customer stakeholders to ensure safety requirements are integrated throughout the product lifecycle. The ideal candidate will have extensive experience in safety engineering within defense or aerospace environments, strong analytical skills, and the ability to mentor junior engineers while managing complex technical programs.
Responsibilities
Develop Concept of Operations (CONOPS) documentation for missile defense systems.
Design and document Command & Control (C2) architectural approaches using DoDAF formats.
Contribute to the technical implementation of DMRA Data Mesh architecture, including 15 core services.
Create multi-domain integration designs across 8 operational domains: Air, Space, Maritime, Land, Cyber, Subsurface, Electromagnetic (EM), and Information.
Produce Interface Control Documents (ICDs) and API specifications to ensure system interoperability.
Required Qualifications
Bachelor’s degree in Engineering, Mathematics, or Physics.
10+ years of experience in missile defense or C2 / Battle Management system development or integration.
Expertise in DoD Architecture Frameworks: DoDAF, MODAF, Systems Engineering Lifecycle (SEL). C4ISR Systems: Track correlation, sensor fusion, fire control integration, battle Architecture: Data mesh patterns, federated governance, microservices, event-driven architectures.
Preferred Qualifications
Experience with Model-Based Systems Engineering (MBSE) for DoD systems.
Familiarity with the F2T2EA kill chain (Find, Fix, Track, Target, Engage, Assess), especially sensor fusion and data correlation.
Prior work with Raytheon, Lockheed Martin, or Northrop Grumman defense platforms.
Knowledge of Cross-Domain Solutions (CDS), Multi-Level Security (MLS), and Zero Trust Architecture.
Understanding of standards and frameworks such as CMOSS, SOSA, FACE, OMS / UCI, STANAG.
Experience with JADC2 or ABMS programs.
Familiarity with systems like AEGIS, THAAD, or Patriot.
Understanding of DDIL operations and coalition interoperability.
Background in AI / ML integration for defense applications, including experience with Maven or Lattice frameworks.
EEO Statement Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or 844-463-6178.
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