Modern Government Solutions-posted 10 days ago
Full-time • Mid Level
Onsite • Sterling, VA

Modern Government Solutions (MGS) is seeking a n experienced Systems Architect to lead the development and modernization of mission-critical IT systems supporting national security operations. The Architect will define end-to-end system architectures, guide technical teams, and ensure interoperability, scalability, and compliance across complex enterprise environments. This position is ideal for a forward-thinking engineer who excels at solving technical challenges, driving innovation, and communicating with customers to shap e the future architecture of secure government systems.

  • Define and develop system architectures that align with mission objectives , technical requirements, and security standards.
  • Lead architecture design sessions and provide technical direction across engineering, operations, and cybersecurity teams.
  • Translate stakeholder needs into functional and technical requirements, design documents, and integration strategies.
  • Evaluate existing systems, identify gaps, and develop modernization or migration roadmaps.
  • Oversee system interoperability and data exchange between diverse hardware, software, and network environments.
  • Ensure architectures meet performance, reliability, and scalability objectives while maintaining compliance with security frameworks.
  • Collaborate with program managers and customers to align technical solutions with mission goals.
  • Review and validate system designs, configurations, and implementation plans for accuracy and executability .
  • Stay informed on emerging technologies and recommend innovations to improve system efficiency and resilience.
  • Prepare architecture documentation, decision briefs, and technical presentations to support leadership and stakeholders.
  • Develop and maintain system roadmaps, including detailed engineering plans, schedules, and milestones to guide implementation and sustainment activities.
  • Prepare and deliver technical briefings and architecture presentations to senior leadership and stakeholder audiences.
  • Combine interpersonal skills, technical acumen and organized thinking to build technical credibility and customer trust in the program.
  • Drive innovation and solution-oriented thinking, identifying opportunities to enhance system performance, efficiency, and mission alignment.
  • Must possess an a ctive Department of Defense (DoD) TS/SCI with CI Polygraph security clearance .
  • Bachelor's degree in Computer Science , Information Systems, Engineering, or related field (or equivalent experience).
  • 5 - 8 years of experience in systems architecture, engineering, or integration within enterprise or mission-critical environments.
  • Proven ability to design and document complex, multi-tiered systems that meet stringent security and performance standards.
  • Experience with system security, risk management, and accreditation processes (e.g., RMF, NIST, STIGs).
  • Experience supporting large-scale or data-intensive environments, ensuring scalability and performance optimization.
  • Experience instrumenting IT systems for performance measurement, monitoring, and optimization.
  • Strong understanding of infrastructure design principles across compute , network, and storage domains.
  • Familiarity with integrating GOTS and COTS software into complex system architectures.
  • Familiarity with large-scale infrastructure release and configuration management practices.
  • Understanding of CI/CD pipeline processes and their integration into enterprise system delivery.
  • Demonstrated success leading cross-functional technical teams and collaborating with government or industry partners.
  • Excellent communication and analytical skills, with the ability to convey technical concepts to varied audiences.
  • CompTIA Security+ certification (DoD 8570 compliant).
  • Experience with cloud, virtualization, or container-based system architectures.
  • Experience with Model Based Systems Engineering (MBSE) processes and related tools.
  • Familiarity with automation and orchestration frameworks.
  • Knowledge of enterprise data management and system monitoring best practices.
  • Background supporting defense or intelligence community programs.
  • Experience developing architecture standards or technical reference models.
  • Relevant professional certifications (e.g., AWS Solutions Architect, CISSP, DoD 8570, or equivalent).
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