Home › Companies › Sosi1 › Cybersecurity Security Engineer III
Cybersecurity Security Engineer III
Sosi1 · Washington, DC, United States · Hybrid · Active · SmartRecruiters
Job facts
| Field | Value |
|---|---|
| Company | Sosi1 |
| Title | Cybersecurity Security Engineer III |
| Normalized title | - |
| Department / team | Other |
| Location | Washington, DC, United States |
| Work model | Hybrid / Hybrid |
| Employment type | Full Time |
| Salary | - |
| Status | active |
| ATS provider | SmartRecruiters |
| Posted / first seen | 2026-06-04 / 2026-06-06 |
| Changed / last seen | 2026-06-06 / 2026-06-06 |
Related slices
| Page | What it contains | Open |
|---|---|---|
| Company jobs | Active postings from Sosi1. | Open |
| Company breakdowns | Role, location, ATS, and work model facets for this company. | Open |
| ATS provider jobs | Active postings observed through SmartRecruiters. | Open |
| Provider filtered search | The same provider as a filtered job collection. | Open |
| City jobs | Active postings in Washington. | Open |
| Department jobs | Active postings in Other. | Open |
| Work model jobs | Active Hybrid postings. | Open |
| Lifecycle events | Open, update, close, and reopen events for this posting. | Open |
| Original posting | Canonical source or apply URL captured from the ATS. | Open |
Linked records
| Company | Sosi1 |
| Source | 034d3260-e727-4450-bb59-4990471b7cb8 |
| ATS provider | SmartRecruiters |
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 ID | a1211be7ad957b605e033c26e21ecb89e757a089 |
| Org ID | 5a59924f-82b0-46db-a713-0bb2cbbe3d35 |
| Source ID | 034d3260-e727-4450-bb59-4990471b7cb8 |
| Board ID | 034d3260-e727-4450-bb59-4990471b7cb8 |
| Provider | smartrecruiters |
| Provider Job Key | 3743990013473404 |
| Title | Cybersecurity Security Engineer III |
| Normalized Title | — |
| Status | active |
| Active | yes |
| Location Text | Washington, DC, United States |
| Department | Other |
| Team | — |
| Employment Type | full_time |
| Workplace Type | hybrid |
| Remote Policy | hybrid |
| Country | United States |
| Region | DC |
| City | Washington |
| Salary Raw | 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. |
| Salary Min | — |
| Salary Max | — |
| Salary Currency | — |
| Salary Period | — |
| Source URL | https://jobs.smartrecruiters.com/SOSi1/3743990013473404-cybersecurity-security-engineer-iii |
| Apply URL | https://jobs.smartrecruiters.com/SOSi1/3743990013473404-cybersecurity-security-engineer-iii?oga=true |
| First Seen At | 2026-06-06 10:33:45Z |
| Last Seen At | 2026-06-06 18:47:58Z |
| Last Checked At | 2026-06-06 18:47:58Z |
| Last Changed At | 2026-06-06 10:33:45Z |
| Inactive At | — |
| Source Posted At | 2026-06-04 17:10:56Z |
| Source Updated At | — |
| Raw Payload Uri | s3://job-postings-prod-raw-590183727216/raw/provider=smartrecruiters/board=sosi1/date=2026-06-06/2026-06-06T18-47-51-315Z-e7a3ea412d9b99d4f42d3f44c8b48282949638fd36dfd8acce6ba827260faf78.json |
Event Fields
{
"content_hash": "281e43f0ab3f34f653902324d8868127daa6966605eca1cd075b1811617b1f9e",
"source_hash": "537880bb5bf7a249a1702940ffc9b216f546e88aa6a2c87455d4b90563ee81fb",
"last_changed_at": "2026-06-06T10:33:45.392Z",
"active_status": "active"
}Parsed Structured
{
"language": "en",
"location": {
"raw": "Washington, DC, United States",
"city": "Washington",
"region": "DC",
"country": "United States",
"is_remote": false,
"confidence": 0.8
},
"salary_max": null,
"salary_min": null,
"inferred_at": "2026-06-06T18:47:58.290Z",
"launch_scope": {
"reason": "english_us_canada",
"included": true,
"language": "en",
"location": {
"raw": "Washington, DC, United States",
"city": "Washington",
"region": "DC",
"country": "United States",
"is_remote": false,
"confidence": 0.8
},
"countries": [
"United States"
]
},
"remote_policy": "hybrid",
"salary_period": null,
"workplace_type": "hybrid",
"salary_currency": null
}Extensions
{}Native Structured
{
"id": "3743990013473404",
"ref": "https://api.smartrecruiters.com/v1/companies/sosi1/postings/3743990013473404",
"name": "Cybersecurity Security Engineer III",
"uuid": "e6b5091a-6ef5-406c-b65e-b0dea796c8c9",
"detail": {
"id": "3743990013473404",
"name": "Cybersecurity Security Engineer III",
"uuid": "e6b5091a-6ef5-406c-b65e-b0dea796c8c9",
"jobAd": {
"sections": {
"jobDescription": {
"text": "<p><strong>*** This position is contingent upon contract award ***</strong></p><p>Overview</p><p>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.<br>\n </p><p><strong>Responsibilities</strong></p><p>·  Support cybersecurity engineering and security architecture activities across enterprise environments</p><p>·  Support design and integration of Zero Trust Architecture (ZTA) capabilities and security controls</p><p>·  Develop and support technology roadmaps, engineering recommendations, market research, and proofs of concept</p><p>·  Support engineering and integration of cloud security, secure authentication, and single sign-on (SSO) capabilities</p><p>·  Support DevSecOps practices and secure technology integration activities</p><p>·  Support security engineering activities involving vulnerability scanning tools, cyber defense technologies, and enterprise security platforms</p><p>·  Support engineering and integration of AI/GenAI-related security capabilities</p><p>·  Support post-quantum cryptography concepts, cryptographic inventory activities, and PQC-enabled protocols</p><p>·  Support development and implementation of security CONOPS and engineering documentation</p><p>·  Use scripting and automation to support engineering, integration, and security operations activities</p><p> </p>",
"title": "Job Description"
},
"qualifications": {
"text": "<p>·  <strong>Experience:</strong></p><ul><li>Ten (10) or more years of cybersecurity engineering and/or project management experience</li><li>Two (2) or more years of leadership experience</li><li>Experience supporting cybersecurity design and integration</li><li>Experience supporting Zero Trust Architecture (ZTA)</li><li>Experience developing technology roadmaps, conducting market research, and supporting proofs of concept</li><li>Experience supporting security architecture and CONOPS</li><li>Experience supporting cloud security</li><li>Experience supporting AI/GenAI security integration</li><li>Experience supporting DevSecOps</li><li>Experience supporting vulnerability scanning tools</li><li>Experience supporting secure authentication and SSO</li><li>Experience supporting post-quantum cryptography concepts and PQC-enabled protocols</li><li>Experience with scripting and automation</li></ul><p>·  <strong>Education:</strong></p><ul><li>Bachelor’s Degree in engineering, information systems, cybersecurity, <strong>or</strong> equivalent experience as defined by role requirements</li></ul><p>·  <strong>Certifications:</strong> </p><p><strong>At least one of:</strong></p><ul><li><strong>Security+</strong> </li><li><strong>CCNA</strong> </li><li><strong>SSCP</strong> </li></ul><p><strong>And one of: </strong></p><ul><li><strong>CISSP</strong> </li><li><strong>CISSP-ISSAP</strong> </li><li><strong>CISSP-ISSEP</strong> </li><li><strong>CCSP</strong></li><li><strong>GCIA </strong></li><li><strong>GDSA</strong></li><li><strong>GCCC</strong></li><li><strong>GCPN</strong></li><li><strong>GCIH</strong></li></ul><ul><li><strong>Clearance/Suitability</strong>: Secret (eligible)</li></ul><p> </p>",
"title": "Qualifications"
},
"companyDescription": {
"text": "<p>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.</p>",
"title": "Company Description"
},
"additionalInformation": {
"text": "<p><strong>Work Environment</strong></p><ul><li>Normal office conditions with potential to perform duties in deployed locations.</li><li>Core hours of operation are Monday through Friday, 0600 – 1700.</li><li>May be requested to work evenings and weekends to meet program and contract needs.</li></ul><p><strong>Working at SOSi</strong></p><p>All interested individuals will receive consideration and will not be discriminated against for any reason.</p>",
"title": "Additional Information"
}
}
},
"jobId": "b9455863-d4e5-4670-8aa2-372110b00cb4",
"active": true,
"company": {
"name": "SOSi",
"identifier": "SOSi1"
},
"creator": {
"name": "",
"avatarUrl": ""
},
"jobAdId": "540da134-2970-473d-8bef-371690738609",
"applyUrl": "https://jobs.smartrecruiters.com/SOSi1/3743990013473404-cybersecurity-security-engineer-iii?oga=true",
"function": {
"id": "other",
"label": "Other"
},
"industry": {
"id": "it_and_services",
"label": "Information Technology And Services"
},
"language": {
"code": "en",
"label": "English",
"labelNative": "English (US)"
},
"location": {
"city": "Washington",
"hybrid": true,
"region": "DC",
"remote": false,
"country": "us",
"latitude": "38.9072873",
"longitude": "-77.0369274",
"fullLocation": "Washington, DC, United States"
},
"refNumber": "REF1378E",
"postingUrl": "https://jobs.smartrecruiters.com/SOSi1/3743990013473404-cybersecurity-security-engineer-iii",
"visibility": "PUBLIC",
"customField": [
{
"fieldId": "COUNTRY",
"valueId": "us",
"fieldLabel": "Country/Region",
"valueLabel": "United States"
},
{
"fieldId": "68e4d02c62144b064540ba4f",
"valueId": "default",
"fieldLabel": "Brands",
"valueLabel": "SOSi"
},
{
"fieldId": "69095be8735039a20bdb3506",
"valueId": "a2a870ae-2f1e-4f1c-8856-d6ba06eda9c0",
"fieldLabel": "Clearance Requirement",
"valueLabel": "Secret"
}
],
"referralUrl": "https://jobs.smartrecruiters.com/external-referrals/company/SOSi1/publication/e6b5091a-6ef5-406c-b65e-b0dea796c8c9?dcr_ci=SOSi1",
"defaultJobAd": true,
"releasedDate": "2026-06-04T17:10:56.541Z",
"experienceLevel": {
"id": "mid_senior_level",
"label": "Mid-Senior Level"
},
"typeOfEmployment": {
"id": "permanent",
"label": "Full-time"
}
},
"company": {
"name": "SOSi",
"identifier": "SOSi1"
},
"jobAdId": "540da134-2970-473d-8bef-371690738609",
"function": {
"id": "other",
"label": "Other"
},
"industry": {
"id": "it_and_services",
"label": "Information Technology And Services"
},
"language": {
"code": "en",
"label": "English",
"labelNative": "English (US)"
},
"location": {
"city": "Washington",
"hybrid": true,
"region": "DC",
"remote": false,
"country": "us",
"latitude": "38.9072873",
"longitude": "-77.0369274",
"fullLocation": "Washington, DC, United States"
},
"refNumber": "REF1378E",
"department": {},
"visibility": "PUBLIC",
"customField": [
{
"fieldId": "69095be8735039a20bdb3506",
"valueId": "a2a870ae-2f1e-4f1c-8856-d6ba06eda9c0",
"fieldLabel": "Clearance Requirement",
"valueLabel": "Secret"
},
{
"fieldId": "COUNTRY",
"valueId": "us",
"fieldLabel": "Country/Region",
"valueLabel": "United States"
},
{
"fieldId": "68e4d02c62144b064540ba4f",
"valueId": "default",
"fieldLabel": "Brands",
"valueLabel": "SOSi"
}
],
"defaultJobAd": true,
"releasedDate": "2026-06-04T17:10:56.541Z",
"detail_errors": [],
"experienceLevel": {
"id": "mid_senior_level",
"label": "Mid-Senior Level"
},
"typeOfEmployment": {
"id": "permanent",
"label": "Full-time"
}
}Get this page with API
Rendered from the bluedoor Job Postings API. Reproduce it:
GET https://api.bluedoor.sh/job-postings/v1/jobs/a1211be7ad957b605e033c26e21ecb89e757a089?include=descriptionJSONGET https://api.bluedoor.sh/job-postings/v1/orgs/5a59924f-82b0-46db-a713-0bb2cbbe3d35JSONGET https://api.bluedoor.sh/job-postings/v1/sources/034d3260-e727-4450-bb59-4990471b7cb8JSONGET https://api.bluedoor.sh/job-postings/v1/jobs/a1211be7ad957b605e033c26e21ecb89e757a089/eventsJSON