Threat Detection Engineer

Unity Technologies Corporation; Fort Belvoir (VA); Hybrid; USD 110,000 - 160,000; Full time

Job summary

UnityTec in Fort Belvoir, VA seeks a Threat Detection Engineer to design advanced threat detection use cases and develop custom SIEM scripts to proactively defend critical enterprise systems.

You will collaborate with cybersecurity SMEs, system owners, and Incident Response teams to prioritize high-fidelity alerting, optimize telemetry, and close security gaps across programs. U.S. citizen with DoD Top-Secret clearance preferred; hybrid work may follow initial period.

Qualifications

• Must hold one of the listed cybersecurity certifications.
• 5+ years of IT experience.
• 3+ years with a SIEM in content development or IR.
• 3+ years of system or network administration experience.
• Understanding of log formats and MITRE ATT&CK.
• Strong knowledge of network architecture.
• Defense-in-Depth understanding.
• U.S. citizen and DoD Top-Secret clearance preferred.

Responsibilities

• Threat Detection Engineering & Use Case Development: design, develop, and refine threat detection use cases and custom signatures.
• SIEM Optimization & Automation: develop custom scripts, drive automation, and expand security analytics capabilities.
• Telemetry Optimization & Data Quality Assurance: review and improve telemetry for high-fidelity alerting.
• Security Gap Analysis & Cross-Functional Collaboration: work with SMEs, system owners, and IR to close protection gaps.

Skills

SIEM experience

Threat detection

Networking basics

MITRE ATT&CK knowledge

Scripting

Education

Bachelor's degree in a relevant field

Tools

PowerShell

Python

SPL

Job description

Company Overview

UnityTec is an SBA-certified Woman-Owned Small Business (WOSB) delivering high-impact professional and technical services to government agencies. With deep expertise in Industrial and Enterprise Systems Modernization, FIAR (Financial Improvement and Audit Readiness), Industrial Facility Transformation, Program and Project Management, Enterprise Support and Consulting, and Advanced Analytics, we empower organizations to modernize operations and advance mission priorities. Our disciplined approach—grounded in dedicated talent, proactive planning, rigorous quality assurance, agile methodologies, cost-effective delivery, and uncompromising ethics—positions UnityTec as a trusted partner committed to achieving measurable, enduring results for our clients.

Job Overview

We are seeking a Threat Detection Engineer to join our team. You will engineer advanced threat detection use cases and develop custom SIEM scripts to proactively defend critical enterprise systems against emerging cyber threats. Additionally, you will collaborate closely with cross-functional stakeholders to optimize data telemetry, identify security capability gaps, and prioritize high-fidelity alerting tailored to specific applications. You will be located in Ft. Belvoir, VA. A hybrid schedule may be possible after a preliminary period.

Responsibilities include, but are not limited to:

Threat Detection Engineering & Use Case Development

• Continuously researching emerging threats and integrating threat intelligence to design, develop, and refine new threat detection use cases and custom signatures tailored to individual programs and critical applications.

SIEM Optimization & Automation

• Enhancing Security Information and Event Management (SIEM) platforms by developing custom scripts, driving automation, and expanding overall security analytics capabilities.

Telemetry Optimization & Data Quality Assurance

• Conducting rigorous reviews of incoming data feeds and telemetry to recommend and implement technical improvements, ensuring high-fidelity data ingestion for accurate alerting.

Security Gap Analysis & Cross-Functional Collaboration

• Partnering seamlessly with cybersecurity Subject Matter Experts (SMEs), system owners, and Threat Detection Analysts to identify vulnerabilities, define alerting priorities, and establish comprehensive protection strategies for critical systems.

Required Qualifications:

• Must possess at least one of the following certifications: CompTIA Cybersecurity Analyst Plus (CySA+), GIAC Certified Forensic Analyst (GCFA), GIAC Certified Intrusion Analyst (GCIA), Global Industrial Cyber Security Professional (GICSP).
• A minimum of five (5) years of relevant IT experience.
• A minimum of three (3) years working with a SIEM in a content development or Incident Response role.
• A minimum of three (3) years of System and/or Network Administration experience.
• Understanding of various log formats.
• Understanding of the MITRE ATT&CK framework.
• Strong understanding of network architecture.
• Experience developing and maintaining scripts (preferably using PowerShell, Python or SPL).
• Understanding of Defense-in-Depth.

Preferred Qualifications:

• A bachelor’s degree in a relevant field of study.

Clearance Requirements:

• Must be a U.S. citizen.
• Must possess a DoD current Top-Secret clearance.

UnityTec is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.