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Added 1 min ago
Power Electrical Engineer
HDR
Greenville, SC · Columbia, SC · Fort Mill, SC · Charleston, SC
…industries expand. This isn’t just a job, it’s a chance to drive infrastructure forward, power innovation and leave your mark on our energy…
Added 1 min ago
Structural Engineer
HDR
Charleston, SC
…Engineering Services Group, you’ll help design the critical infrastructure that supports the digital age and shapes the spaces where people work, connect, and thrive. From high-performance…
Added 3 mins ago
Mainframe Technical Engineer
Highmark Health
Springfield, IL
…z/OS, SMP/E, COUPLING FACILITY technical ecosystem including infrastructure, systems, networks, applications, integrations, etc. They will work closely with other technical professionals,…
Added 3 mins ago
Senior Network Engineer
Cognizant
Springfield, IL
· Implement automation and Infrastructure as Code using Python, Ansible, Terraform, REST APIs, JSON, YAML, and Git.
Added 3 mins ago
Software Engineer, Infrastructure - Central Growth
Meta
Springfield, IL
Software Engineer, Infrastructure - Central Growth Responsibilities:
Added 3 mins ago
Lead Site Reliability Engineer - Remote
SitusAMC
Springfield, IL
SitusAMC is on a Digital Transformation journey to implement and automate the infrastructure, platform creation by developing and executing Infrastructure as Code capabilities. This role…
Added 3 mins ago
Platform Engineer - Remote
SitusAMC
Springfield, IL
This highly visible role partners with engineering, DevOps, Agile delivery, security, infrastructure, architecture, compliance, and business stakeholders. The role also leads the Azure…
Added 4 mins ago
Java Backend Software Engineer III
JPMorgan Chase
Chicago, IL
As a Software Engineer III at JPMorganChase within Consumer & Community Banking, Digital Communication, you serve as a seasoned member of an agile team to design and deliver trusted,…
Added 4 mins ago
Senior Software Engineer - Customer & Vendor Management
Snapsheet
Chicago, IL
…designed to deliver outcomes. Where others bolt things on, we engineer them into our core systems and processes across cloud-based claims management, virtual vehicle appraisals, and elite…
Added 4 mins ago
RA
Lead Network Engineer
RWE Americas
Chicago, IL
- $127,000 to $171,000 USD / year
The Lead Network Engineer provides advanced technical leadership for the design, implementation, operation, and security of OT network infrastructure across multiple sites and geographies.
Added 6 mins ago
Cyber Security Engineer
System One
Merrifield, VA
…KQL-based investigations, and scripting or automation. The engineer will also support phased deployments, proof-of-concept initiatives, documentation, troubleshooting procedures, and…
Added 9 mins ago
Power Electrical Engineer
HDR
Greenville, SC · Columbia, SC · Fort Mill, SC · Charleston, SC
…industries expand. This isn’t just a job, it’s a chance to drive infrastructure forward, power innovation and leave your mark on our energy…
Added 9 mins ago
Structural Engineer
HDR
Charleston, SC
…Engineering Services Group, you’ll help design the critical infrastructure that supports the digital age and shapes the spaces where people work, connect, and thrive. From high-performance…
Added 17 mins ago
Senior Vice President, Infrastructure Engineering (Mainframe Communications Systems Software Engineer
ewminds consulting Services
Jersey City, NJ
(SVP) Senior Vice President, Infrastructure Engineering (Mainframe Communications Systems Software Engineer)
Added 17 mins ago
Software Application Engineer (US Federal)
Workday Government, LLC
United States
…Workday brings modern technology, responsible AI, and secure infrastructure to some of the most complex environments in the world. The work isn’t theoretical. It’s operational. It’s…
Added 20 mins ago
Senior Software Engineer (PBY)
L3Harris Technologies
Palm Bay, FL
L3Harris Integrated Mission Systems is seeking a Software Engineer. Responsibilities include the translation of requirements into working and maintainable solutions for our Integrated…
Added 20 mins ago
Baseline Security Engineer
Take2
United States
Experience with Infrastructure-as-Code tools, including CloudFormation or Terraform.
Added 22 mins ago
KW
Jr. Systems Engineer (Digital Engineering Process Support)
KBR Wyle Services, LLC
Chantilly, VA
- $82,000 to $102,000 USD / year
KBR/Trinzic is seeking a Junior Systems Engineer (Digital Engineering Process Support) to join our team on site in Chantilly, VA. TS/SCI with Polygraph is required for consideration.
Added 22 mins ago
KW
Jr. Systems Engineer (Digital Engineering Engagement)
KBR Wyle Services, LLC
Chantilly, VA
- $82,000 to $102,000 USD / year
KBR/Trinzic is seeking an entry level Systems Engineer (Digital Engineering Engagement) to join our team on site in Chantilly, VA. A current/active TS/SCI with Polygraph is required for…
Added 22 mins ago
KW
Job Posting Title Jr. Systems Engineer (Digital Engineering Process Support)
KBR Wyle Services, LLC
Chantilly, VA
- $82,000 to $102,000 USD / year
KBR is seeking a Junior Systems Engineer (Digital Engineering Process Support) to join our team on site in Chantilly, VA. TS/SCI with Polygraph is required for consideration.
Added 22 mins ago
KW
Junior Systems Engineer (Digital Engineering Process Support)
KBR Wyle Services, LLC
Chantilly, VA
- $82,000 to $102,000 USD / year
KBR/Trinzic is seeking a Junior Systems Engineer (Digital Engineering Process Support) to join our team on site in Chantilly, VA. TS/SCI with Polygraph clearance is required for…
Added 22 mins ago
KW
Job Posting Title Jr. Systems Engineer (Digital Engineering Process Support)
KBR Wyle Services, LLC
Chantilly, VA
- $82,000 to $102,000 USD / year
KBR is seeking a Junior Systems Engineer (Digital Engineering Process Support) to join our team on site in Chantilly, VA. TS/SCI with Polygraph clearance is required for consideration.
Added 22 mins ago
KW
Jr. Systems Engineer (Digital Engineering Process Support)
KBR Wyle Services, LLC
Chantilly, VA
- $82,000 to $102,000 USD / year
KBR is seeking a Junior Systems Engineer (Digital Engineering Process Support) to join our team on site in Chantilly, VA. TS/SCI with Polygraph clearance is required for consideration.
Added 22 mins ago
KW
Jr. Systems Engineer (Digital Engineering Process Support)
KBR Wyle Services, LLC
Chantilly, VA
- $82,000 to $102,000 USD / year
KBR/Trinzic is seeking a Junior Systems Engineer (Digital Engineering Process Support) to join our team on site in Chantilly, VA. TS/SCI with Polygraph clearance is required for…
Added 22 mins ago
KW
Job Posting Title Jr. Systems Engineer (Digital Engineering Process Support)
KBR Wyle Services, LLC
Chantilly, VA
- $82,000 to $102,000 USD / year
KBR/Trinzic is seeking a Junior Systems Engineer (Digital Engineering Process Support) to join our team on site in Chantilly, VA. TS/SCI with Polygraph is required for consideration.

System One

Cyber Security Engineer

Merrifield, VA, United States

Contract

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Job details

Job type: Contract
Apply by: Feb 3, 2027
Posting language: English
Posted: Nov 5, 2026

Original job description

Title: Cybersecurity Engineer Location: Remote or hybrid (Vienna, VA or Winchester, VA or Pensacola, FL) Pay Rate: Open to W2 options (no c2c) Position Type: Contract

We are currently seeking a Cybersecurity Engineer for a long term contracting position. This position can be either remote or hybrid in Vienna, VA or Winchester, VA or Pensacola, FL. We are ideally looking for candidates with 8-10 years of professional experience. We are able to work with W2 folks (no c2c).

Candidates must have a minimum of 5 years of direct, hands-on application whitelisting/application control experience with specific hands-on WDAC, AppLocker, ThreatLocker, or Airlock Digital experience. We are not looking for candidates whose backgrounds are limited to general SOC monitoring, vulnerability management, or standard endpoint security administration. In addition, hands-on Microsoft Defender expertise and KQL are required.

This role focuses on enterprise endpoint security operations, with a primary emphasis on implementing and managing application whitelisting/application control technologies and supporting Microsoft Defender security solutions. The engineer will design, configure, test, troubleshoot, and maintain application control policies using technologies such as Microsoft WDAC/App Control for Business, AppLocker, ThreatLocker, and Airlock Digital. Responsibilities also include investigating blocked applications, analyzing endpoint telemetry and Windows event logs, managing Microsoft Defender for Endpoint and Antivirus, and resolving endpoint security and compliance issues. The position requires hands-on experience with endpoint security tools, policy management through Intune and MECM/SCCM, KQL-based investigations, and scripting or automation. The engineer will also support phased deployments, proof-of-concept initiatives, documentation, troubleshooting procedures, and collaboration with application owners, infrastructure teams, and cybersecurity stakeholders.

Seeking an experienced cybersecurity engineer to support enterprise Application Whitelisting/Application Control and daily endpoint security operations. The resource should have strong hands-on experience with Microsoft WDAC/App Control for Business, AppLocker, or other enterprise application whitelisting/application control technologies. Experience with ThreatLocker and/or Airlock Digital is highly desirable given upcoming proof-of-concept efforts.

Key responsibilities and qualifications include:

Design, implement, tune, and troubleshoot application whitelisting/application control policies across enterprise environments.
Experience with WDAC/App Control for Business, AppLocker, ThreatLocker, Airlock Digital, or comparable application control platforms.
Troubleshoot application execution blocks using endpoint telemetry, Windows event logs, application control events, and other diagnostic data.
Strong experience with Microsoft Defender for Endpoint and Defender Antivirus, including endpoint health, compliance monitoring, policy troubleshooting, AV/EDR exclusions, and remediation.
Experience supporting day-to-day Defender operations, including investigating security alerts, endpoint health issues, sensor/telemetry issues, malware detections, and protection-status discrepancies.
Experience troubleshooting Defender Antivirus and EDR behavior, including performance-related issues, policy conflicts, exclusions, scanning behavior, and endpoint onboarding or configuration issues.
Working knowledge of Defender security capabilities such as attack surface reduction, Controlled Folder Access, tamper protection, automated investigation/remediation, and endpoint detection and response.
Experience with KQL and Microsoft Defender Advanced Hunting for endpoint investigation, troubleshooting, compliance analysis, threat hunting, and validation.
Experience managing endpoint security policies through Microsoft Intune and MECM/SCCM, including deployment, targeting, testing, validation, and troubleshooting.
Working knowledge across Windows, macOS, and Linux, particularly Red Hat Enterprise Linux (RHEL) environments.
Knowledge of code signing, certificates, trusted publishers/signers, hashes, paths, and application trust models.
Experience with GitHub or similar source-control platforms for maintaining application control policies, scripts, documentation, versioning, and change history.
Experience with Ansible, PowerShell, and other scripting or automation technologies is highly desirable.
Experience supporting application control and endpoint security across workstations, servers, and VDI environments.
Strong understanding of cybersecurity fundamentals, including endpoint security, malware prevention, vulnerability management, least privilege, defense-in-depth, threat detection, and security control validation.
Ability to analyze security events and endpoint telemetry to distinguish malicious or suspicious activity from legitimate application and system behavior.
Ability to perform policy testing and validation, support phased deployments, document expected versus actual results, and assist with production rollout readiness and rollback planning.
Ability to develop and maintain runbooks, troubleshooting procedures, root-cause analysis documentation, operational checklists, change documentation, and audit evidence.
Strong communication and troubleshooting skills with the ability to work directly with application owners, platform engineering teams, infrastructure teams, and cybersecurity teams to investigate issues and develop practical remediation paths.

Ref: #851-Rockville-S1

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