Principal DFIR Consultant

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.

Job Overview

The Principal DFIR Consultant is the highest individual contributor level within GuidePoint Security’s DFIR Practice. Operating at the intersection of deep technical expertise, client leadership, and organizational influence, the Principal serves as the practice’s foremost technical authority.  This individual is brought in on the most complex, high-severity, and high-visibility engagements. In addition to leading critical investigations, the Principal shapes how the practice operates: developing methodologies, mentoring Senior and Analyst-level staff, contributing to business development, and driving continuous improvement across the team.

Primary Duties & Responsibilities

Technical Leadership & Engagement Execution

• Oversight & QA: Serve in the Oversight role on complex or high-severity engagements, reviewing findings before client calls, providing technical depth, anticipating client questions, and ensuring quality of analysis and deliverables.
• Lead on Critical Engagements: Step in as engagement Lead on the most complex or sensitive investigations (ransomware, APT, nation-state, insider threat), setting the standard for client communication and investigative rigor.
• Advanced Technical Execution: Conduct advanced host forensics, network analysis, malware reverse engineering/triage, cloud forensics, threat actor attribution, and intelligence-driven investigation.
• Surge Capacity: Serve as a trusted surge resource for the team during high-volume periods, providing senior-level coverage across concurrent engagements.

Practice Development & Mentorship

• Methodology Ownership: Design, document, and maintain DFIR investigation methodologies, playbooks, and SOPs that raise the quality floor for the entire practice.
• Mentorship: Actively mentor Senior Consultants and Analysts; provide guidance on technical challenges, client management, and professional development. Help develop the next generation of DFIR leads.
• Knowledge Sharing: Lead internal training sessions, write technical blog posts and research, document lessons learned, and contribute to the team’s collective knowledge base.
• Tool & Automation Development: Identify gaps in current tooling and processes; design and build automation, scripts, or integrations that improve investigative efficiency across the team.
• Hiring Support: Participate in candidate screening, technical interviews, and skills assessment to help build a high-quality team pipeline.

Client & Business Development

• Client Trust: Build deep, trusted relationships with key clients and stakeholders; serve as a credible senior voice during high-stakes incidents.
• Pre-Sales & Scoping: Support pre-sales activities including technical scoping, proposal development, SOW review, and client presentations for DFIR, Compromise Assessment, and IR Advisory engagements.
• Industry Presence: Represent GuidePoint Security externally through conference presentations, webinars, publications, and engagement with the broader DFIR community.

Engagement & Availability Expectations

The Principal Consultant operates at the top of the IC ladder and is held to a commensurately high standard for availability, initiative, and ownership. This includes:

• Maintaining consistent availability outside standard business hours for high-severity incident surges and team escalations.
• Participating in on-call rotation as appropriate for seniority.
• Proactively identifying and addressing gaps in team performance, processes, or client delivery.
• Setting an example of professionalism, urgency, and ownership that the broader team can follow.

Required Qualifications

• 8+ years of hands-on DFIR experience, including complex incident response and forensic investigations.
• 10+ combined years of IT and information security experience.
• Demonstrated experience in a Lead or senior technical role on high-severity engagements (ransomware, APT, nation-state, or insider threat).
• Expert-level proficiency across multiple DFIR disciplines: host forensics, network forensics, log analysis, malware triage, cloud IR, and BEC investigation.
• Exceptional written and verbal communication skills; ability to present complex technical findings to executive and legal audiences.
• Proven track record of mentoring and developing junior and mid-level technical staff.
• Experience developing or contributing to DFIR methodologies, playbooks, or tooling.

Preferred Qualifications

• Prior consulting or professional services experience at a leading DFIR or cybersecurity firm.
• Advanced proficiency with scripting and tooling: PowerShell, Python, Bash, Go, or similar; experience building custom investigative tools.
• Deep experience with EDR, NDR, XDR, SIEM, Velociraptor, and commercial/open-source forensic platforms.
• Cloud incident response expertise: AWS, Microsoft 365, Azure, Google Workspace; familiarity with cloud-native forensic techniques.
• Experience with threat actor attribution, CTI integration, and intelligence-driven investigation.
• Familiarity with ransomware negotiation considerations, threat actor communications, and recovery workflows.
• External thought leadership: conference talks, published research, blog posts, or community contributions.
• Relevant certifications: GREM, GCFA, GCFE, GDAT, GCIH, GCIA, CISSP, or equivalent; advanced or multiple certifications are a strong plus.

What Success Looks Like

• You are the person the team calls when an engagement gets complicated.
• Senior Consultants and Analysts are measurably better at their jobs because of your mentorship and the standards you set.
• You have meaningfully improved at least one methodology, playbook, or tool used by the practice.
• Clients and partners recognize GuidePoint’s DFIR practice as best-in-class, as a result of your technical and client-facing contributions.
• You operate with complete ownership and initiative: you identify problems, propose solutions, and execute without being asked.
• You represent GuidePoint externally in a way that builds the brand and generates trust in the DFIR community.

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 1,200 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
• Pet Benefit Option