Cybersecurity Security Engineer III

SOSi; Washington (District of Columbia); On-site; USD 140,000 - 170,000; Full time

Job summary

SOSi is seeking a Cybersecurity Security Engineer III to support cybersecurity engineering activities across enterprise environments and modernization efforts. The role emphasizes Zero Trust, cloud security, DevSecOps, and AI/GenAI security integration, with a focus on architecture, roadmaps, and secure operations.

Ideal candidates bring 10+ years in cybersecurity engineering, leadership experience, and a bachelor's degree in a related field, plus appropriate security certifications and a Secret

Qualifications

• Bachelor's degree or equivalent experience in engineering, information systems, or cybersecurity.
• At least one certification: Security+, CCNA, or SSCP.
• One of: CISSP, CISSP-ISSAP, CISSP-ISSEP, CCSP, GCIA, GDSA, GCCC, GCPN, GCIH.
• Secret clearance eligibility.

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

Skills

Cybersecurity engineering

Security architecture

Zero Trust

Cloud security

DevSecOps

Scripting & automation

Vulnerability scanning

SSO integration

AI/GenAI security

Post-quantum cryptography

Education

Bachelor's Degree in engineering, information systems, cybersecurity, or equivalent experience

Job description

Company Description

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.