Systems Integration Engineer: Mission-Critical Solutions

CACI International Inc; Sterling (VA); On-site; USD 82,100 - 172,400; Full time

Job summary

CACI International Inc. is seeking a System Integration Engineer to join our national security programs in Sterling, VA (and potentially Denver, CO). The role requires active TS/SCI clearance or eligibility for a CI Polygraph, with 5+ years in systems engineering, software integration, and architecture.

You will design, integrate, and automate across complex systems to support mission outcomes. You will collaborate with cross-functional teams, produce architecture documentation, and ensure

Qualifications

• Active TS/SCI clearance with ability and willingness to obtain a CI Polygraph or current CI Polygraph
• Bachelor's degree in a technical field or equivalent experience
• Available to work in-person in Sterling, VA or Denver, CO
• 5+ years of systems engineering, software engineering, systems integration, solution architecture, or related technical disciplines
• 3+ years of experience with mission management applications or enterprise data integration
• Experience integrating software applications, enterprise systems, APIs, databases, and distributed technologies
• Experience with system testing and automated application testing frameworks
• Strong understanding of systems engineering principles and the system development lifecycle
• Experience designing or implementing automation to improve operational efficiency
• Strong technical writing skills with architecture docs and interface control documents
• Excellent communication and collaboration with technical and non-technical stakeholders
• Ability to adapt to changing priorities while keeping strategic objectives in focus
• Experience with Agile and Atlassian Suite (Jira, Confluence)

Responsibilities

• Solves complex technical challenges with a systems-thinking mindset
• Understands how disparate systems, people, and processes work together to achieve mission success
• Develops practical, scalable, and maintainable technical solutions
• Communicates effectively across engineering, operations, and leadership teams
• Produces high-quality technical documentation for long-term system sustainment
• Identifies opportunities for automation, integration, and continuous improvement
• Maintains effectiveness in evolving priorities while aligning with strategic objectives
• Protects sensitive national security information and operates with professional judgment

Skills

Systems engineering

Software engineering

Agile methodologies

Technical writing

Communication

Education

Bachelor's degree in a technical field (or equivalent experience)

Tools

Jira

Confluence

Job description

CACI International Inc. is seeking a System Integration Engineer to join our national security programs in Sterling, VA (and potentially Denver, CO). The role requires active TS/SCI clearance or eligibility for a CI Polygraph, with 5+ years in systems engineering, software integration, and architecture.

You will design, integrate, and automate across complex systems to support mission outcomes. You will collaborate with cross-functional teams, produce architecture documentation, and ensure