Mission-Critical System-of-Systems Architect — On-Site TS/SCI

Apex Systems; Reston (VA); On-site; USD 200,000 - 230,000; Full time

Benefits offered by this job

Medical, dental, vision, life, and DIS

HSA

401K with company match after 12 mo

ESPP

On-demand training

Certification discounts

Job summary

Apex Systems seeks a System-of-Systems Architect to define and evolve architecture for a large federated set of systems and services within a national security program.

The role requires 12-month contract-to-hire, on-site work in Reston, VA, and active eligibility for a TS/SCI clearance. You will collaborate with government stakeholders, MBSE modelers, and software teams to ensure cohesive, scalable mission capability.

Qualifications

• Bachelor’s degree in a related technical field; additional experience considered in lieu of degree.
• Approximately 10+ years in systems engineering, architecture, or related areas.
• Experience with DoDAF and MBSE methodologies for architecture artifacts.
• Ability to obtain/maintain U.S. DoD security clearance; citizenship required.

Responsibilities

• Define and evolve end-to-end architecture for a complex ecosystem of systems.
• Develop architecture artifacts using DoDAF and MBSE; maintain models.
• Lead trade studies, analyses, and technology assessments for modernization.
• Provide technical leadership to small teams and coordinate with government stakeholders.

Skills

Systems engineering

System architecture

DoDAF

MBSE

DoD/IC environments

Stakeholder briefing

Team leadership

Education

Bachelor’s degree in Systems Engineering/CS/CE

Master’s degree (desired)

Tools

SysML

UML

UAF

MBSE tools (Cameo, MagicDraw, Rhapsody, EA)

Job description

Apex Systems seeks a System-of-Systems Architect to define and evolve architecture for a large federated set of systems and services within a national security program.

The role requires 12-month contract-to-hire, on-site work in Reston, VA, and active eligibility for a TS/SCI clearance. You will collaborate with government stakeholders, MBSE modelers, and software teams to ensure cohesive, scalable mission capability.