Jobs in the United States

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Structural Engineer
MANTECH
Remote, United States
The Structural Engineer will leverage their strong technical background and knowledge to support Military Sealift Command (MSC) engineering and design efforts. You will help ensure the…
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Analyst, Multimedia Operations
Intercontinental Exchange Holdings, Inc.
New York, NY
…(ICE) presents unique opportunities for a full-time, on-site Engineer, IT Multimedia Operations (ITMO) to work with cutting-edge media technology in the financial sector. ICE team members…
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Senior Data and Analytics Engineer
AbbVie
North Chicago, IL
- $109,500 to $208,500 USD / year
The Senior Data and Analytics Engineer will be responsible for translating complex business and data requirements into scalable, secure, and high-performing analytics and data engineering…
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Advanced Solutions 5G RF Engineer
Cellco Partnership
Basking Ridge, NJ · Irving, TX · Cary, NC · Temple Terrace, FL
- $74,000 to $142,000 USD / year
As the Senior 5G RF Engineer for the WCC Advanced Solutions Team, you will serve as the primary RF engineering resource responsible for designing private LTE/5G and in-building systems…
Added 1 min ago
IT Engineer
Spear AI
Remote, United States
We’re seeking a skilled IT Engineer to secure and scale the internal infrastructure that powers our mission-critical work.
Added 1 min ago
Tier 3 Platform Engineer SME
Peraton
Chantilly, VA
Peraton is seeking a Platform Engineer Subject Matter Expert (SME) to provide senior technical leadership for the operation, engineering, and sustainment of a mission-critical enterprise…
Added 1 min ago
Control Systems Coordinator/EIT
HDR
Folsom, CA · Walnut Creek, CA
We believe building engineering is more than systems and structures, it’s about powering progress and enabling innovation. As part of HDR’s Building Engineering Services Group, you’ll help…
Added 1 min ago
Water/Wastewater Engineer
HDR
Virginia Beach, VA · Newport News, VA
Requires professional engineering license recognized by the licensing board for the location of the position offered. Example: Professional Engineer (PE or P.Eng) license.
Added 1 min ago
Senior Project Manager (Water / Wastewater Engineering)
HDR
Virginia Beach, VA · Newport News, VA
Requires professional engineering license recognized by the licensing board for the location of the position offered. Example: Professional Engineer (PE or P.Eng) license.
Added 1 min ago
Senior Tier 3 Platform Engineer
Peraton
Chantilly, VA
The Senior Platform Engineer will independently design, implement, and maintain platform infrastructure, automation, and shared services while serving as a senior Tier 3 escalation resource…
Added 1 min ago
Infrastructure Engineer
Charles Schwab Inc.
Southlake, TX · Austin, TX
…exceptional production resiliency of our software products and systems. The role will require a strong work ethic, problem solving skills, and the ability to partner with business and…
Added 1 min ago
Procurement Director
EC Source
Remote, United States
As one of the nation's leading electric transmission line construction companies, MasTec Power Delivery companies engineer and construct efficient and reliable electrical transmission,…
Added 2 mins ago
Systems Engineer II, Enterprise Services (446G)[235]
Cobb County School District
GA
POSITION TITLE: Systems Engineer II, Enterprise Services
Added 2 mins ago
Senior Backend Engineer (AI Agent Platform)
ioet
Remote, United States
At ioet, a leading software company with a talented team across LATAM, we provide Software Engineering as a service to clients worldwide. Join us for exciting professional challenges,…
Added 3 mins ago
Tier 3 Platform Engineer
Peraton
Chantilly, VA
The Mid-Level Platform Engineer will perform hands-on platform engineering, infrastructure automation, and Tier 3 technical support activities to maintain platform availability,…
Added 3 mins ago
Undergraduate Engineering Intern - Additive Manufacturing
Mayo Clinic
Rochester, MN · Rochester
…(AMF) in the Mechanical Fabrication Unit within the Division of Engineering (DOE). The Mechanical Fabrication Unit leverages mechanical designer, technician, machinist, and engineer…
Added 4 mins ago
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Project Engineer
Vertical Mechanical Group Inc
Reston, VA
- $80,000 to $90,000 USD / year
Are you ready to build your career in mechanical construction? Join our team as a Project Engineer and play a key role in supporting the successful execution of commercial mechanical…
Added 4 mins ago
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Internship - Project Engineer
Vertical Mechanical Group Inc
Reston, VA
- From $25 USD / hour
Are you looking to gain real-world experience in mechanical construction? VMG is seeking a motivated Project Engineer Intern to work alongside our Project Managers, Project Engineers,…
Added 4 mins ago
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Transportation Engineer
AECOM
Waterloo, IA
- $106,000 to $135,000 USD / year
AECOM is seeking a Transportation Engineer for the Surface Transportation Department in Waterloo, Iowa.
Added 4 mins ago
Structural Engineering Group Leader - Return Home. Build Something Bigger.
KPFF Consulting Engineers
Birmingham, AL
This role is designed for a seasoned structural engineer who is ready to step into a visible leadership role, help grow a team, expand a market, and help shape the future of KPFF’s presence…
Added 4 mins ago
Structural Engineering Group Leader - Return Home. Build Something Bigger.
KPFF Consulting Engineers
Indianapolis, IN
This role is designed for a seasoned structural engineer who is ready to step into a visible leadership role, help grow a team, expand a market, and help shape the future of KPFF’s presence…
Added 4 mins ago
Lead Manufacturing Engineer - NPI
Miramar, FL
The Lead Manufacturing Engineer provides technical direction, project execution management and leadership within the Engineering department. This role bridges strategic engineering goals…
Added 5 mins ago
Lead Engineer - Metallic Materials Behavior
General Electric Company
United States
We are seeking a highly skilled and motivated Materials Behavior Engineer to join our team. This role focuses on understanding, analyzing, and improving the behavior of materials under…
Added 5 mins ago
Control Systems Coordinator/EIT
HDR
Folsom, CA · Walnut Creek, CA
We believe building engineering is more than systems and structures, it’s about powering progress and enabling innovation. As part of HDR’s Building Engineering Services Group, you’ll help…
Added 5 mins ago
Water/Wastewater Engineer
HDR
Virginia Beach, VA · Newport News, VA
Requires professional engineering license recognized by the licensing board for the location of the position offered. Example: Professional Engineer (PE or P.Eng) license.

System One

Cyber Threat Engineer

Merrifield, VA, United States

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Job details

Apply by: Jan 31, 2027
Experience: Demonstrated experience with Python (3+ years), script-based automation, and YARA and SIGMA rule development.
Posting language: English
Posted: Nov 2, 2026

Original job description

Job Title: Cyber Threat Engineer Location: Vienna, VA Type: Contract Work Model: Hybrid

Rate: 70-80/hr W2

Responsibilities

Develop and maintain tools, scripts, and automated workflows that enable TIER threat-hunting and intelligence operations.
Build repeatable processes for collecting, ingesting, enriching, transforming, and operationalizing threat intelligence data.
Develop, test, document, and maintain YARA rules and supporting detection processes.
Create Python-based utilities and script automation that reduce manual effort and improve workflow scalability.
Translate analyst requirements into technical solutions, integrations, automated processes, and reusable capabilities.
Apply the MITRE ATT&CK framework when developing threat-hunting tools, detections, and supporting processes.
Integrate internal and external threat intelligence sources into TIER workflows and supporting tools.
Validate and perform quality assurance for tools, scripts, rules, integrations, and automation before operational use.
Troubleshoot and maintain TIER tools, data pipelines, integrations, and automated workflows.
Maintain technical documentation and procedures needed to sustain developed capabilities.

Requirements

Bachelor's degree in cybersecurity, computer science, information technology, information systems, engineering, or a related technical discipline preferred; relevant experience may be considered in lieu of a degree.
Master's degree in cybersecurity, information assurance, computer science, or a comparable technical discipline strongly preferred; comparable advanced technical qualifications or demonstrated expertise may be considered.
Demonstrated experience in cybersecurity engineering, security automation, or threat engineering.
Direct experience supporting Cyber Threat Intelligence or threat-hunting function required.
Demonstrated experience with Python (3+ years), script-based automation, and YARA and SIGMA rule development.
Practical experience applying the MITRE ATT&CK framework to cybersecurity or threat-hunting use cases.
Security+, CySA+, GCIH, GCIA, or comparable cybersecurity certifications preferred, but not required.
Strong cybersecurity engineering, automation, troubleshooting, and technical problem-solving skills.
Ability to translate analyst requirements into reliable, reusable, and maintainable technical solutions.
Ability to independently develop, test, document, and maintain scripts, integrations, automation, and supporting processes.
Understanding of threat intelligence and threat-hunting concepts and workflows.
Effective communication and collaboration with threat analysts and defensive cybersecurity partners.
Strong attention to quality, repeatability, maintainability, and documentation.

System One, and its subsidiaries including Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M2 Ref: #851-Rockville-S1

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