Trellance Cooperative Holdings, Inc. · 1 month ago
Sr Penetration Tester
Tampa, FL
Full-time
Onsite
Senior Level
5+ years expTrellance Cooperative Holdings, Inc. is seeking a Senior Penetration Tester to lead and execute advanced offensive security assessments across various environments. The role involves mentoring junior staff, collaborating with internal teams and clients, and contributing to the development of methodologies and service offerings.
AnalyticsConsultingFinancial Services
Responsibilities
Perform penetration testing engagements across diverse environments (network, application, cloud, physical)
Develop and maintain testing methodologies, tools, and reporting standards
Deliver detailed, actionable findings and remediation guidance to technical and non-technical stakeholders
Collaborate with clients and internal teams to define engagement scope and objectives
Stay current with emerging threats, vulnerabilities, and offensive security techniques
Mentor and train junior penetration testers
Assist in building and scaling the penetration testing practice:
Define service offerings and delivery models
Establish operational processes and tooling
Support business development and client engagement
Contribute to hiring and team growth strategies
Perform other duties as assigned
Qualification
Required
Bachelor's degree in Computer Science, Information Security, or a related field from an accredited college or university plus a minimum of 5 years of hands-on penetration testing experience; alternatively, a high school diploma or equivalent plus a minimum of ten (10) years of penetration testing experience
OSCP or GPEN is required
Experience working in or with cloud service providers, SaaS environments, or enterprise IT infrastructures
Familiarity with regulatory frameworks and compliance standards (e.g., PCI-DSS, GLBA, FFIEC, NIST, ISO 27001)
Expertise in offensive security tools and techniques (e.g., Burp Suite, Metasploit, Cobalt Strike, Nessus, Nmap)
Strong understanding of cloud platforms (AWS, Azure, GCP) and container security
Proficiency in scripting languages (Python, PowerShell, Bash)
Familiarity with MITRE ATT&CK, OWASP Top 10, and CVSS scoring
Excellent communication and technical report-writing skills
Ability to lead engagements independently and manage multiple projects
Strong analytical and problem-solving skills
Ability to translate technical findings into business risk context
Travel up to 10%
Preferred
OSEP, OSCE, CRTP or CRT or equivalent advanced certifications
Prior experience in banking, credit union, or financial services industries is strongly preferred
Prior experience in consulting or client-facing roles is highly desirable
Experience in red teaming or adversary simulation
Prior experience building or scaling a security practice
Experience contributing to business development or pre-sales efforts
Demonstrated leadership in cybersecurity communities or conferences
Company
Trellance Cooperative Holdings, Inc.
Trellance Cooperative Holdings, Inc. is a credit union cooperative and leading technology partner for credit unions.
51-200 employees
H1B Sponsorship
Trellance Cooperative Holdings, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2023 (1)
2022 (5)
2020 (5)
Funding
Current Stage
Growth StageLeadership Team
Douglas (Doug) Vanderpool
Chief Technology Officer
Shane Butcher
Chief Operating Officer, Cloud
Company data provided by crunchbase