Senior Systems Architect and Design Engineer

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Job#:
Job Description:
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.

Apex has an opportunity for an
Principal Systems Architect.
For applicants who are interested in this opportunity, send your updated resume to Mike Konjoian, Account Manager, at .

Here are the details:

Position:
Principal Systems Architect
Location:
Richardson, TX
Project Duration:
3 months w/ 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 2.0 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 2.0, MODAF, Systems Engineering Lifecycle (SEL).

• C4ISR Systems: Track correlation, sensor fusion, fire control integration, battle management.
• Data 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 Employer

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 .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

Apex Benefits Overview:
Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.