Threat Emulation Engineer - Blue/Purple Team

GuidePoint Security; Chantilly (VA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Remote work option

Medical insurance

Holidays & PTO

Phone/internet allowance

Job summary

GuidePoint Security in Chantilly, VA is seeking a Threat Emulation Engineer to lead ASV deployments and guide security solutions for federal and commercial clients. You will work with a team to deliver advanced validation and threat emulation services in a fast-paced environment.

The role requires active Top Secret/SCI clearance with CI Poly, 5–10 years in security engineering, and strong knowledge of MITRE ATT&CK and log ingestion strategies.

Qualifications

• Active Top Secret/SCI clearance with CI Poly within 10 years.
• 5–10 years of security systems engineering and troubleshooting experience.
• Strong understanding of cyber threat techniques, intelligence analysis, and adversary TTPs.
• Familiarity with MITRE ATT&CK and similar threat frameworks.
• Experience designing log ingestion and aggregation strategies.
• Knowledge of key security events across common IT platforms.
• Proficiency with Windows, macOS, and Linux systems.
• Experience with networking and security troubleshooting (firewalls, routing, NAT, etc.).
• Ability to manage and deliver multiple projects independently.
• Embraces emerging technologies, including AI tools, to work smarter, solve problems, and drive better business outcomes

Responsibilities

• Complete internal training for Automated Security Validation (ASV).
• Lead complex ASV deployments and partner with customers to address diverse security use cases.
• Assess customer security posture and requirements to guide solution design.
• Maximize ASV value by enabling customers and supporting their cybersecurity strategy.
• Collaborate with internal product and technical teams to deliver solutions and drive innovation.
• Apply prior experience, share best practices, and develop creative approaches to increase adoption.
• Empower customers to independently address future security questions.

Skills

Security clearance

Threat analysis

MITRE ATT&CK

Log ingestion

Project management

Education

Bachelor's degree

Tools

BAS tools

Mandiant BAS

SIEM platforms

Job description

Chantilly, VA

GuidePoint Security provides trusted cybersecurity expertise, solutions and services that help organizations make better decisions and minimize risk. By taking a three-tiered, holistic approach for evaluating security posture and ecosystems, GuidePoint enables some of the nation’s top organizations, such as Fortune 500 companies and U.S. government agencies, to identify threats, optimize resources and integrate best-fit solutions that mitigate risk.

Threat Emulation Engineer

General Description

We are looking for a skilled Threat Emulation Engineer to support service delivery and be a product subject‑matter expert, working independently on small projects and collaboratively on large‑scale enterprise deployments. This role will engage in large internal support group with extensive experience and benefit from our internal training program designed to increase your skills and keep pace with technology changes. We focus on enabling our engineers to become complete security professionals able to analyze security solutions, not just install and configure products. You'll gain a broad spectrum of knowledge and skills that allow you to give advice and direction relevant to today's threats.

No Prior Experience with Automated Security Validation Required:

While experience with Mandiant Security Validation Tool would be great, we’ll train you on the tool if you have a solid foundation in cybersecurity. We're vendor neutral security engineers providing services that meet customer needs, not our own or that of vendors.

About the Federal Region

GuidePoint Security is the trusted partner that defense and civilian government agencies rely on to lead their cybersecurity efforts and protect their organizations. We help solve their most complex security challenges, mature security architectures, and proactively reduce risk. Our purpose‑built solutions ensure compliance, safeguard critical assets, and align security with organizational objectives. Backed by deep expertise, strong partnerships, and advanced technologies, we deliver scalable, adaptive capabilities that evolve with the threat landscape so Federal agencies can lead with confidence and protect what’s next.

Roles and Responsibilities

• Complete internal training for Automated Security Validation (ASV).
• Lead complex ASV deployments and partner with customers to address diverse security use cases.
• Assess customer security posture and requirements to guide solution design.
• Maximize ASV value by enabling customers and supporting their cybersecurity strategy.
• Collaborate with internal product and technical teams to deliver solutions and drive innovation.
• Apply prior experience, share best practices, and develop creative approaches to increase adoption.
• Empower customers to independently address future security questions.

Required Experience and Education

• Candidates MUST have an active Top Secret/SCI clearance with a CI Poly within 10 years for consideration.
• 5–10 years of security systems engineering and troubleshooting experience.
• Strong understanding of cyber threat techniques, intelligence analysis, and adversary TTPs.
• Familiarity with MITRE ATT&CK and similar threat frameworks.
• Experience designing log ingestion and aggregation strategies.
• Knowledge of key security events across common IT platforms.
• Proficiency with Windows, macOS, and Linux systems.
• Experience with networking and security troubleshooting (firewalls, routing, NAT, etc.).
• Ability to manage and deliver multiple projects independently.
• Embraces emerging technologies, including AI tools, to work smarter, solve problems, and drive better business outcomes

Preferred Experience and Education

• Bachelor’s degree in a relevant field or equivalent experience.
• Experience configuring and utilizing enterprise SIEM platforms.
• Understanding of OS auditing (Syslog, Windows Event Logs).
• Experience with Mandiant Security Validation or other Breach and Attack Simulation (BAS) tools.
• Red or purple team experience.
• Experience developing SOC runbooks, workflows, and policy documentation.
• Familiarity with various scripting languages (bash, python, powershell, perl)

Travel Requirements

• This position requires 100% onsite support in Chantilly, VA

Physical Requirements

• Sedentary work
• Substantial movement of the wrists, hands, and/or fingers for a minimum of 8 hours a day
• Required to have close visual acuity to view computer terminal and/or extensive reading for a minimum of 8 hours a day
• If you have additional physical requirements/changes, please discuss with HR first

Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classified information.

We use Greenhouse Software as our applicant tracking system and Zoom Scheduler for HR screen request scheduling. At times, your email may block our communication with you. Please be sure to check your SPAM folder so that you don't miss updates on your application.

Why GuidePoint?

GuidePoint Security is a rapidly growing, profitable, privately‑held value added reseller that focuses exclusively on Information Security. Since its inception in 2011, GuidePoint has grown to over 1,300 employees, established strategic partnerships with leading security vendors, and serves as a trusted advisor to more than 6,200 customers.

Firmly‑defined core values drive all aspects of the business, which have been paramount to the company’s success and establishment of an enjoyable workplace atmosphere. At GuidePoint, your colleagues are knowledgeable, skilled, and experienced and will seek to collaborate and provide mentorship and guidance at every opportunity.

This is a unique and rare opportunity to grow your career along with one of the fastest growing companies in the nation.

Some added perks….

• Remote workforce primarily (U.S. based only, some travel may be required for certain positions, working on‑site may be required for Federal positions)
• Group Medical Insurance options: Zero Deductible PPO Plan (GuidePoint pays 90% of the premium for employees and 70% for family plans (spouse/children/family) or High Deductible Health Plan with HSA (GuidePoint pays 100% of the employees premiums and 75% for family plans (spouse/children/family). If you choose the High Deductible / HSA plan, GPS will contribute in 4 equal quarterly installments: ($850 per EE annually / $1750 per family annually (includes spouse/children/family options)
• Group Dental Insurance: GuidePoint pays 100% of the premium for employees and 75% of family plans
• 12 corporate holidays and a Flexible Time Off (FTO) program
• Healthy mobile phone and home internet allowance
• Eligibility for retirement plan after 2 months at open enrollment

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