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HomeCompaniesSosi1Cybersecurity Security Engineer III

Cybersecurity Security Engineer III

Sosi1 · Washington, DC, United States · Hybrid · Active · SmartRecruiters

Job facts

FieldValue
CompanySosi1
TitleCybersecurity Security Engineer III
Normalized title-
Department / teamOther
LocationWashington, DC, United States
Work modelHybrid / Hybrid
Employment typeFull Time
Salary-
Statusactive
ATS providerSmartRecruiters
Posted / first seen2026-06-04 / 2026-06-06
Changed / last seen2026-06-06 / 2026-06-06

Related slices

PageWhat it containsOpen
Company jobsActive postings from Sosi1.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through SmartRecruiters.Open
Provider filtered searchThe same provider as a filtered job collection.Open
City jobsActive postings in Washington.Open
Department jobsActive postings in Other.Open
Work model jobsActive Hybrid postings.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanySosi1
Source034d3260-e727-4450-bb59-4990471b7cb8
ATS providerSmartRecruiters

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. *** 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 ·  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) 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.

Full job record

Job IDa1211be7ad957b605e033c26e21ecb89e757a089
Org ID5a59924f-82b0-46db-a713-0bb2cbbe3d35
Source ID034d3260-e727-4450-bb59-4990471b7cb8
Board ID034d3260-e727-4450-bb59-4990471b7cb8
Providersmartrecruiters
Provider Job Key3743990013473404
TitleCybersecurity Security Engineer III
Normalized Title
Statusactive
Activeyes
Location TextWashington, DC, United States
DepartmentOther
Team
Employment Typefull_time
Workplace Typehybrid
Remote Policyhybrid
CountryUnited States
RegionDC
CityWashington
Salary RawFounded 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. *** 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 ·  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) 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.
Salary Min
Salary Max
Salary Currency
Salary Period
Source URLhttps://jobs.smartrecruiters.com/SOSi1/3743990013473404-cybersecurity-security-engineer-iii
Apply URLhttps://jobs.smartrecruiters.com/SOSi1/3743990013473404-cybersecurity-security-engineer-iii?oga=true
First Seen At2026-06-06 10:33:45Z
Last Seen At2026-06-06 18:47:58Z
Last Checked At2026-06-06 18:47:58Z
Last Changed At2026-06-06 10:33:45Z
Inactive At
Source Posted At2026-06-04 17:10:56Z
Source Updated At
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=smartrecruiters/board=sosi1/date=2026-06-06/2026-06-06T18-47-51-315Z-e7a3ea412d9b99d4f42d3f44c8b48282949638fd36dfd8acce6ba827260faf78.json
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Extensions
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