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Added 2 mins ago
Senior Energy Distribution and Management Engineer
Anduril Industries
Santa Ana, CA
…OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is…
Added 2 mins ago
Data Analytics & Visualization Engineer
Leidos
Scott Air Force Base, IL
The Leidos Digital Modernization Group seeks a Data Analytics & Visualization Engineer for the Global Solution Management – Operations II (GSM-O II) contract, under the Global Automations &…
Added 2 mins ago
Data Analytics & Visualization Engineer
Leidos
Scott Air Force Base, IL
The Leidos Digital Modernization Group seeks a Data Analytics & Visualization Engineer for the Global Solution Management – Operations II (GSM-O II) contract, under the Global Automations &…
Added 2 mins ago
QA/QC Engineer
Bureau Veritas
McLean
…management of Bureau Veritas Primary Integration's (BVPI) Quality Control Program at client sites; including the coordination, performance, and execution of construction inspections and…
Added 2 mins ago
QA/QC Engineer
Bureau Veritas
McLean
…management of Bureau Veritas Primary Integration's (BVPI) Quality Control Program at client sites; including the coordination, performance, and execution of construction inspections and…
Added 3 mins ago
Software Engineer
Popular Bank
Rosemont, IL
Added 3 mins ago
Software Engineer
Popular Bank
Rosemont, IL
Added 3 mins ago
Senior Analyst, Compliance Technology
Coinbase
Springfield, IL
We're hiring an Analytics Engineer to join the Compliance Technology team within the Platform organization. This team builds and operates data and detection capabilities that enable…
Added 4 mins ago
Advanced Lead Supplier Quality Engineer - Composites
GE Aerospace
Arlington Heights, IL · Barrington, IL · Chicago, IL · Bloomington, IL · Loves Park, IL
The Supplier Quality Engineer for Polymer Matrix Composites is an individual who can apply knowledge of RCCA and/or problem solving to lead supplier quality improvement of complex cross…
Added 4 mins ago
Power System Controls Engineer – Data Centers
Jacobs
Chicago, IL
Jacobs’ Energy & Power business is seeking a Power System Controls Engineer to support conceptual planning, design, modeling, integration, and validation of Data Center controls ecosystem…
Added 4 mins ago
RA
Senior Program Manager & Key Client Lead, Data Centers
Ramboll Americas Engineering Solutions, Inc.
Chicago, IL
- $150,000 to $225,000 USD / year
…with specialists in substation engineering, protection and control, transmission, interconnection, power generation, civil/structural engineering, and energy strategy. You will also connect…
Added 4 mins ago
IT Project Manager - Healthcare
Proven IT
Tinley Park, IL
…responsibility for schedule, budget, resource coordination, risk, change control, reporting, and customer project communication. Projects may include Microsoft 365, Cisco Meraki and basic…
Added 5 mins ago
Active Feature Calibration Engineer - Dynamics
Stellantis
Chelsea, MI
…highly motivated and experienced All-Wheel Drive (AWD)/Traction Control System (TCS)/Electronic Stability Control (ESC) calibration engineer to join our team. This role will be responsible…
Added 6 mins ago
Cyber Security Engineer
System One
Merrifield, VA
…implementing and managing application whitelisting/application control technologies and supporting Microsoft Defender security solutions. The engineer will design, configure, test,…
Added 6 mins ago
Manufacturing Engineer
Air Distribution Technologies Inc
Ponca City, OK
…Distribution Technologies, Inc. (ADTI), is seeking a Manufacturing Engineer to support our Ponca City, Oklahoma manufacturing facility. ASC is a leading manufacturer of air distribution and…
Added 7 mins ago
HVAC Controls Engineer
Brady Services
Raleigh, NC
SUMMARY: The Controls Project Engineer will be responsible for designing complex building automation systems (BAS) utilizing Microsoft Visio design software to plan the installation of…
Added 8 mins ago
MC
Manager, Mechanical Engineering
Mission Critical Group
Harleysville, PA
- $140,000 to $150,000 USD / year
…performance. With a robust U.S. manufacturing network, MCG supports data centers, power generation, healthcare, oil & gas, pharmaceuticals, semiconductors, and industrial facilities where…
Added 9 mins ago
Sr. Machinist Programmer / CNC Programmer
DRT Holdings, LLC
Meriden, CT
DRT Aerospace supports customers in the aerospace and defense industries and complies with all applicable U.S. export control regulations. This position may involve access to…
Added 9 mins ago
Manufacturing Process Engineer (MFE)
DRT Holdings, LLC
Meriden, CT
DRT Aerospace supports customers in the aerospace and defense industries and complies with all applicable U.S. export control regulations. This position may involve access to…
Added 9 mins ago
Quality Engineer - Plant 5 - Ti Cast
Howmet Aerospace
Whitehall, MI
This Quality Engineer is in Whitehall, Michigan at our Plant 5, Ti Cast Facility. The position will resolve manufacturing and shipment issues related to customer specifications. Drive root…
Added 9 mins ago
Production Engineer
INDRA AIR TRAFFIC INC
Overland Park, KS
Production Engineer will be specializing in volume electromechanical assemblies. The role involves cost reduction, New Product Introduction (NPI), and preproduction activities.
Added 10 mins ago
Mechanical Engineer
Harmar Mobility LLC
SARASOTA, FL
We are looking for a Mechanical Engineer to join our growing Team. Mechanical Engineer will work with more experienced engineering team members on sustaining and new product innovation, the…
Added 10 mins ago
Electrical Automation Engineer
PRICE INDUSTRIES INC
Suwanee, GA
Price Industries Inc. is seeking an Electrical Engineer in Suwanee, GA to improve the manufacturing systems, workflows, and continuous improvement culture for our plant. This Electrical…
Added 15 mins ago
Software Developer / Full Stack Engineer NSIC
KBR
Beavercreek Township, OH
We are seeking a Junior to Mid Software Developer / Full Stack Engineer to support advanced software development efforts for NSIC programs. The selected candidate will design, develop,…
Added 19 mins ago
Owners Representative
Qualus
Vicksburg, MS
…representative, driving engineering quality, risk management, change control, regulatory compliance, and successful project execution while supporting long-term reliability and performance…

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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