Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. Its capabilities include data science, software development, network engineering, intelligence, surveillance, and reconnaissance (ISR), and logistics.
Job Description*Position is contingent upon contract award*
SOSi is seeking a Systems Integrator. The Systems Integrator will support the growth and evolution of our customer's Al/data initiatives, applications, and programs of analysis, to include potential transition to multi-cloud architecture, management of increasing customer requirements, and integration with mission partner data sources, applications, and technologies.
Essential Job Duties
- Conducting programmatic outreach on behalf of Sponsor to other offices.
- Performing horizontal integration across organization and initiatives.
- Providing systems integration support to multiple initiatives.
- Preparing cross-component system architecture documentation.
- Preparing deliverables such as presentations, strategies, requirements, status reports, plans, and ad-hoc documentation.
- Reviewing strategic plans and making recommendations for corrective action.
- Ensuring project solutions and schedules are implemented in a timely manner.
- Coordinating activities in support of Sponsor program managers and teams.
- Assessing and documenting current site network configuration.
- Developing migration project proposals with a clear plan of action, level of effort estimate, and
- delivery timeline.
- Providing input on network design and implementation plans.
- Helping to establish configuration management system(s).
- Developing strategic working relationships with partner offices and components.
- Engaging with the Sponsor team on project execution.
- Creating and delivering program and project artifacts and deliverables.
- Supporting customer's and program's strategic and tactical planning activities.
- Active in scope Top Secret security clearance.
- Demonstrated professional experience with the following:
- Performing system integration on large-scale technical projects or programs.
- Creating and maintaining systems architectural documentation.
- Understanding cloud services.
- Integrating and orchestrating activities across a diverse set of customers.
- Identifying integrations points between internal and external systems.
- Advising a team of senior customers.
- Conceiving and executing tailored communications to all levels of customer.
- Developing and reviewing deliverables such as presentations, strategies, studies, requirements, status reports, and ad-hoc documentation.
- Using Microsoft PowerPoint, SharePoint, Word, and Excel.
Working Conditions
- Working conditions are normal for an office environment.
Working at SOSi
All interested individuals will receive consideration and will not be discriminated against for any reason.
Skills Required
- Active in-scope Top Secret security clearance
- Professional experience performing systems integration on large-scale technical projects or programs
- Experience creating and maintaining systems architecture documentation
- Understanding of cloud services
- Experience integrating and orchestrating activities across diverse customers
- Experience identifying integration points between internal and external systems
- Experience advising senior customers
- Experience developing tailored communications for all levels of customers
- Experience developing and reviewing presentations, strategies, studies, requirements, status reports, and related documentation
- Experience using Microsoft PowerPoint, SharePoint, Word, and Excel
SOSi Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about SOSi and has not been reviewed or approved by SOSi.
-
Healthcare Strength — Health coverage is considered a relative strength, with international plan options and substantial employer contribution that support OCONUS and travel-heavy work. Company materials also highlight a comprehensive medical offering alongside wellness support.
-
Retirement Support — A 401(k) program is available, with indications of employer matching though specifics are not publicly detailed. This suggests foundational retirement support for eligible employees.
-
Career-Linked Recognition & Rewards — Compensation is often characterized as competitive for cleared, hard‑to‑hire, and certain overseas or mission‑critical roles. Pay levels appear closely tied to contract demands, clearance, and location.
SOSi Insights
What We Do
SOSi is a technology and services integrator focused on the aerospace, defense, and government services industry, described as one of the largest private, founder-owned companies in its sector.








