Principal Cybersecurity Incident Responder – Incident Response, Digital Forensics & Threat Mitigation Specialist
Posted 2026-05-06Join arenaflex as a Principal Cybersecurity Incident Responder
Are you ready to defend one of the nation's leading retail organizations against sophisticated cyber threats? arenaflex is seeking a talented and driven Principal Cybersecurity Incident Responder to join our elite Network Protection Incident Response team. This is a extraordinary opportunity for cybersecurity professionals who thrive in high-pressure environments, possess exceptional analytical abilities, and are passionate about protecting organizational assets from evolving digital threats.
At arenaflex, we understand that cybersecurity is not just an IT function—it's a business imperative. As a company committed to excellence in retail operations and customer service, we recognize that maintaining robust security posture is fundamental to our success and the trust our millions of customers place in us every day. Join our dynamic team and become part of an organization that values innovation, continuous learning, and the relentless pursuit of security excellence.
About the Role
The Network Protection Incident Response team fulfills one of the most critical roles within arenaflex's IT Security division. Our team is responsible for assessing information to identify incident impact, conducting thorough investigations, determining facts, coordinating containment and response, identifying recovery actions to prevent future occurrences, building and providing executive communications, and delivering comprehensive reporting on security incidents.
As a Principal Cybersecurity Incident Responder at arenaflex, you will lead response efforts throughout the entire lifecycle of security incidents: incident identification, triage, impact assessment, cooperation with the Global IT organization for containment and eradication, and communication of status and technical details to senior leadership and incident coordinators. You will focus on incident response, malware dissection, and digital forensics—and we are looking for expertise in at least one of these areas with a genuine desire to expand your knowledge across all domains.
Key Responsibilities
- Lead end-to-end incident response activities for security incidents, from initial identification through complete resolution and post-incident review
- Conduct comprehensive incident triage to assess severity, determine scope, and prioritize response activities based on business impact
- Perform malware analysis and dissection to understand threat actor tactics, techniques, and procedures (TTPs)
- Execute digital forensics investigations across mobile devices, servers, workstations, tablets, cloud environments, and endpoint systems
- Coordinate with Global IT for rapid containment and eradication of threats while minimizing business disruption
- Communicate effectively with senior leadership and incident coordinators, providing clear status updates and technical briefings
- Drive IR program development including process improvements and technology enhancements
- Stay current with the evolving threat landscape and recommend advanced approaches and technologies for modernizing enemy detection and prevention
- Engage, summon, and manage third-party breach and forensic retainer service providers as needed
- Establish and grow the forensic program incorporating top-tier processes and technology from the Digital Forensics Incident Response (DFIR) community
- Lead computer forensics of various information security incidents and suspicious events across the enterprise
- Collaborate with SOC Analysts and Incident Coordinators to develop and facilitate threat-based IR tabletops and simulation scenarios
- Work with SIEM Engineering team to improve telemetry and visibility for incident detection and investigations
- Build and maintain documentation including incident reports, playbooks, and procedural guides
Essential Qualifications
To succeed in this role, you must possess:
- Bachelor's Degree in Cybersecurity, Information Technology, Information Assurance, or a related field
- Proven expertise in security incident management throughout the entire lifecycle: assessment, containment, restoration, documentation, evidence preservation, and forensics
- Hands-on experience performing forensic investigations on mobile devices, servers, desktops, tablets, and other enterprise systems
- Advanced operational experience with at least one forensics tool (e.g., EnCase, FTK, or equivalent)
- Substantial experience in malware detection, malware analysis, and understanding of malicious code
- Extensive hands-on experience with EDR technologies, malicious code analysis, packet capture analysis, identifying indicators of compromise (IOCs), threat analysis, anomaly detection, next-generation firewalls (NGFW), Security Information and Event Management (SIEM) technologies, and vulnerability assessment tools
- Strong understanding of networking, operating system platforms, relational database management systems, as well as cloud and hosting services
- Excellent verbal and written communication skills; interpersonal collaboration abilities; and the capacity to communicate cybersecurity concepts to both technical and non-technical audiences
- Working understanding of compliance and contractual requirements including SOX, PCI-DSS, GDPR, and other relevant regulations
Preferred Qualifications
While not required, the following qualifications will give you a competitive edge:
- Advanced degree (Master's preferred) or equivalent experience in Cybersecurity, Information Technology, Information Assurance, or a related field
- 3+ years of combined experience in incident response, malware analysis, and forensic analysis
- Industry certifications such as CISSP, GCFA, GCIH, GREM, or equivalent
- Experience in retail or large enterprise environments with complex IT infrastructures
- Knowledge of threat intelligence frameworks and intelligence-driven response methodologies
Skills and Competencies Required for Success
Beyond technical qualifications, arenaflex seeks individuals who demonstrate:
- Unwavering passion for cybersecurity and intellectual curiosity about emerging threats
- Ability to thrive under pressure and maintain composure in high-stress situations
- Quick response capabilities with appropriate urgency for critical security issues
- Exceptional attention to detail and thoroughness in all aspects of incident investigation
- Ability to multitask and frequently switch between multiple conflicting high-priority assignments
- Strong collaborative mindset with the ability to work effectively across departmental boundaries
- Continuous learning orientation and willingness to stay ahead of the threat curve
- Leadership potential with the ability to mentor junior team members
Career Growth Opportunities and Learning Benefits
At arenaflex, we invest heavily in the professional development of our cybersecurity talent. As a Principal Cybersecurity Incident Responder, you will have access to:
- Comprehensive training programs including advanced incident response certifications and forensic analysis workshops
- Exposure to cutting-edge security technologies and threat intelligence platforms
- Mentorship from industry veterans with extensive experience in enterprise security operations
- Cross-functional collaboration opportunities with teams across Global IT, Legal, Compliance, and Executive Leadership
- Career advancement pathways toward senior leadership roles within the Security Operations Center (SOC) or specialized forensic teams
- Conference attendance and industry event participation to stay connected with the broader cybersecurity community
- Regular tabletop exercises and simulation scenarios designed to sharpen your incident response skills
Our commitment to your growth extends beyond technical skills. We provide opportunities to develop leadership capabilities, strategic thinking, and business acumen—ensuring you become a well-rounded security professional prepared for the challenges of tomorrow's threat landscape.
Work Environment and Company Culture
arenaflex fosters a collaborative, inclusive, and innovative work environment where every team member's contributions are valued. Our cybersecurity team is characterized by:
- Strong team cohesion built on mutual respect and shared commitment to excellence
- Open communication channels that encourage knowledge sharing and idea exchange
- Work-life balance initiatives designed to prevent burnout in high-stress security roles
- Cutting-edge tools and technologies to support your mission-critical work
- A culture of continuous improvement where every incident is a learning opportunity
- Inclusive diversity initiatives that welcome perspectives from varied backgrounds
While this position is based in Massachusetts, arenaflex supports flexible work arrangements and understands the importance of maintaining a healthy balance between professional responsibilities and personal well-being.
Compensation, Perks, and Benefits
arenaflex offers a competitive compensation package designed to attract and retain top cybersecurity talent:
- Competitive hourly rate of $27 per hour (commensurate with experience and qualifications)
- Comprehensive health benefits including medical, dental, and vision coverage
- 401(k) retirement plan with company matching contributions
- Paid time off including vacation, sick leave, and holidays
- Annual performance bonuses and recognition programs
- Professional development reimbursement for certifications, training, and education
- Employee assistance program (EAP) for personal and professional challenges
- Discount programs for arenaflex products and services
Join the arenaflex Security Team
If you are ready to take the next step in your cybersecurity career and make a meaningful impact protecting a Fortune-ranked retail organization, we encourage you to apply for this exciting opportunity. At arenaflex, you will find more than just a job—you will discover a community of dedicated professionals committed to safeguarding our digital assets and maintaining the trust of millions of customers.
We are looking for individuals who are intensely passionate about cybersecurity, possess intellectual curiosity, and are ready to drive improved solutions and achieve results. Join us and become part of a team that values excellence, innovation, and the relentless pursuit of security excellence.
Apply now to become a Principal Cybersecurity Incident Responder at arenaflex!
arenaflex is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.