Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.
Job Description*** This position is contingent upon contract award ***
Overview
SOSi is seeking a Cybersecurity Security Engineer III to support cybersecurity engineering activities in alignment with our customer. This role is responsible for supporting security architecture, engineering, technology integration, and modernization initiatives across enterprise cyber defense environments, including Zero Trust, cloud security, DevSecOps, and emerging technologies.
Responsibilities
· Support cybersecurity engineering and security architecture activities across enterprise environments
· Support design and integration of Zero Trust Architecture (ZTA) capabilities and security controls
· Develop and support technology roadmaps, engineering recommendations, market research, and proofs of concept
· Support engineering and integration of cloud security, secure authentication, and single sign-on (SSO) capabilities
· Support DevSecOps practices and secure technology integration activities
· Support security engineering activities involving vulnerability scanning tools, cyber defense technologies, and enterprise security platforms
· Support engineering and integration of AI/GenAI-related security capabilities
· Support post-quantum cryptography concepts, cryptographic inventory activities, and PQC-enabled protocols
· Support development and implementation of security CONOPS and engineering documentation
· Use scripting and automation to support engineering, integration, and security operations activities
Qualifications
· Experience:
- Ten (10) or more years of cybersecurity engineering and/or project management experience
- Two (2) or more years of leadership experience
- Experience supporting cybersecurity design and integration
- Experience supporting Zero Trust Architecture (ZTA)
- Experience developing technology roadmaps, conducting market research, and supporting proofs of concept
- Experience supporting security architecture and CONOPS
- Experience supporting cloud security
- Experience supporting AI/GenAI security integration
- Experience supporting DevSecOps
- Experience supporting vulnerability scanning tools
- Experience supporting secure authentication and SSO
- Experience supporting post-quantum cryptography concepts and PQC-enabled protocols
- Experience with scripting and automation
· Education:
- Bachelor’s Degree in engineering, information systems, cybersecurity, or equivalent experience as defined by role requirements
· Certifications:
At least one of:
- Security+
- CCNA
- SSCP
And one of:
- CISSP
- CISSP-ISSAP
- CISSP-ISSEP
- CCSP
- GCIA
- GDSA
- GCCC
- GCPN
- GCIH
- Clearance/Suitability: Secret (eligible)
Additional Information
Work Environment
- Normal office conditions with potential to perform duties in deployed locations.
- 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
- 10+ years cybersecurity engineering and/or project management experience
- 2+ years of leadership experience
- Experience supporting cybersecurity design and integration
- Experience with Zero Trust Architecture (ZTA)
- Experience developing technology roadmaps, market research, and proofs of concept
- Experience supporting security architecture and CONOPS
- Experience supporting cloud security
- Experience supporting AI/GenAI security integration
- Experience supporting DevSecOps practices
- Experience with vulnerability scanning tools and enterprise security platforms
- Experience supporting secure authentication and single sign-on (SSO)
- Experience with post-quantum cryptography concepts and PQC-enabled protocols
- Experience with scripting and automation
- Bachelor's degree in engineering, information systems, cybersecurity, or equivalent experience
- At least one certification: Security+, CCNA, or SSCP
- At least one certification from: CISSP, CISSP-ISSAP, CISSP-ISSEP, CCSP, GCIA, GDSA, GCCC, GCPN, or GCIH
- Clearance/Suitability: Secret (eligible)
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.
