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 DescriptionSOSi is seeking experienced IT and cybersecurity professionals to support a large-scale Department of Defense enterprise modernization effort. These positions will play a critical role in delivering secure, mission-focused IT services spanning enterprise infrastructure, cloud engineering, cybersecurity, DevSecOps, enterprise architecture, data management, and program leadership. Successful candidates will collaborate with Government stakeholders and cross-functional technical teams to modernize enterprise capabilities, improve operational performance, and support the delivery of resilient, secure, and scalable technology solutions across a geographically dispersed environment.
The Cybersecurity Task Lead will provide technical leadership supporting enterprise cybersecurity operations, governance, risk management, compliance, vulnerability management, incident response, Security Operations Center (SOC) activities, threat hunting, penetration testing, and Risk Management Framework (RMF) processes supporting the DC3 Authorizing Official and Cybersecurity Directorate. The position will oversee the implementation and sustainment of enterprise cybersecurity capabilities to protect mission-critical systems while ensuring compliance with applicable DoD cybersecurity policies and standards.
Responsibilities
- Lead enterprise cybersecurity operations
- Manage RMF and ATO activities
- Oversee ISSOs and cybersecurity engineers
- Lead vulnerability management
- Oversee SOC operations
- Manage incident response
- Support penetration testing
- Lead cybersecurity compliance initiatives
- Coordinate with Government AO and ISSM
Required Qualifications:
- Bachelor's degree
- 10+ years cybersecurity leadership
- Experience with RMF
- Experience leading enterprise cyber programs
- Experience with vulnerability management
- Experience supporting SOC operations
- Active TS clearance
Preferred
- CISSP
- CISM
- Security+
- Experience supporting DoD Cyber organizations
- Experience with cATO initiatives
Work Environment
- Normal office conditions with potential to perform duties in deployed locations
- Hybrid work model
- Core hours of operation are Monday through Friday, 0600 – 1700.
- May be requested to work evenings and weekends to meet program and contract needs
Working at SOSi
All interested individuals will receive consideration and will not be discriminated against for any reason.
Skills Required
- Bachelor's degree
- 10+ years cybersecurity leadership
- Experience with RMF
- Experience leading enterprise cyber programs
- Experience with vulnerability management
- Experience supporting SOC operations
- Active Top Secret clearance
- CISSP
- CISM
- Security+
- Experience supporting DoD Cyber organizations
- Experience with cATO initiatives
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.
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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.
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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.
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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.








