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Cyber Security Engineer – Senior​/Cloud DoS CSS

Remote / Online - Candidates ideally in
Washington, District of Columbia, 20022, USA
Listing for: OneZero Solutions
Full Time, Remote/Work from Home position
Listed on 2026-09-27
Job specializations:
  • IT/Tech
    Cybersecurity, Cloud Computing: Infrastructure & Operations, Information Security & Data Protection, Systems Engineer
Salary/Wage Range or Industry Benchmark: 150000 - 210000 USD Yearly USD 150000.00 210000.00 YEAR
Job Description & How to Apply Below

We are an employee-centric company that truly values our team members and the contributions they make to our customers and the missions they support. We pride ourselves on being forward-leaning thinkers and on building teams that are, and continue to be, technically proficient across a broad range of cyber mission areas. One Zero full-time employees receive a highly competitive benefits package, including health, dental, vision, and life insurance, a 401(k) with company matching, paid time off and holidays, an employee referral program, and educational assistance.

Additional details are available on our website:

Position Title:

Cyber Security Engineer – Senior / Cloud

Location:

Remote; must reside within the National Capital Region (NCR). Clearance:
Secret

Work Schedule:

Full-time, 40 hours per week. Must be available during Department core hours of 9:00 a.m. – 3:00 p.m. ET, Monday – Friday, and flex working hours as needed to meet CST day-to-day and emergent requirements. No work is performed on Federal holidays or during Government closures. Participates in a rotating on-call schedule supporting 24x7x365 availability of the vulnerability and compliance scanning platforms.

Employment Type:

Full-Time, Exempt (W-2), contingent upon Call Order award Position Summary

The Senior Cloud Security Engineer owns cloud security engineering for DT/EA/CST's cloud-based and hybrid authorization boundaries. The engineer operates and extends the Wiz cloud security platform, applies Department cloud and zero-trust overlays, documents controls inherited from cloud service providers and DT enterprise services, supports cryptographic key management activities, and produces the cloud evidence the ISSO team needs to obtain and maintain ATOs.

Key Responsibilities
  • Engineer, operate, and maintain the Wiz platform for cloud-based consular systems: account/subscription onboarding, asset grouping and tagging per CA configuration standards, policy tuning, integrations, and dashboards.
  • Support agent deployment, vulnerability and compliance scanning, data ingest and sharing, pipeline, and other integration efforts for cloud workloads.
  • Apply Department and CA cloud-security and zero-trust overlays; identify and document controls inherited from CSPs and DT enterprise services in each system's Inherited Controls Matrix and SSP (RMF Step
    2).
  • Support cryptographic key management and encryption key lifecycle activities for cloud and hybrid systems.
  • Develop and maintain cloud architecture, network, and data-flow diagrams and evidence for System Boundary & Data Flow Packages and the Evidence Index (RMF Steps 1 and
    3).
  • Review cloud vulnerability and compliance scan results within 5 business days of scan completion; drive critical and high findings to closure within Department and BOD timelines; provide closure evidence to ISSOs for POA&M management (RMF Step
    6).
  • Perform Security Impact Analysis on cloud infrastructure and configuration changes submitted through CA change management; participate in CCB/ECM.
  • Demonstrate cloud control implementations during Security Control Review Meetings and provide screenshots, logs, and configuration evidence to the SCA (RMF Step
    4).
  • Support infrastructure-as-code and container image security checks in Dev Sec Ops  pipelines and ensure results are captured as SSP evidence (RMF Step
    3).
  • Coordinate with cloud system operations teams and CSPs to validate remediation and maintain the accredited security posture of cloud systems.
Required Qualifications
  • Eight (8)+ years of cybersecurity or systems engineering experience, including three (3)+ years securing federal workloads in AWS Gov Cloud, Azure Government, or equivalent.
  • Hands-on experience with a CNAPP/CSPM platform (Wiz strongly preferred; Prisma Cloud,…
Position Requirements
10+ Years work experience
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