
Sellmark Corporation is hiring: Cybersecurity Specialist & IT Support in Mansfie
Sellmark Corporation, Mansfield, TX, United States
Position: Cybersecurity Specialist & IT Support
Location: Mansfield, TX
Job Id: 585
# of Openings: 1
ABOUT SELLMARK
Sellmark Corporation develops and distributes industry-leading outdoor lifestyle and tactical products across multiple brands. We are committed to innovation with a purpose, delivering solutions that enhance our customers’ performance and safety. Our culture is built on proactive ownership, customer focus, and a drive to grow, while making a positive, lasting impact. We empower our teams to collaborate, take initiative, and achieve their full potential. We are looking for individuals who are motivated to grow, take ownership, and contribute to a high-performing team.
JOB SUMMARY
The cybersecurity specialist will own all cybersecurity operations and compliance while serving as Level 2 Helpdesk escalation respondent. Primarily will be responsible for Zscaler, SentinelOne, Darktrace, and Wazuh platforms, audit readiness (CMMC), policy development, and AI governance.
ESSENTIAL DUTIES AND TASKS
Cybersecurity Ownership & Operations
Own security operations across endpoints and systems
Administer Zscaler (ZIA/ZPA), SentinelOne, Darktrace, and Wazuh
Monitor alerts, investigate threats, and respond to incidents
Configure EDR/XDR policies, anomaly detection, and SIEM rules
Lead vulnerability remediation and endpoint hardening
Troubleshoot identity, endpoint, and access issues
Compliance, Audits & CMMC
Maintain documentation and evidence required for:
Third-party assessments
Internal security reviews
Lead audits and align with CMMC/NIST 800-171
Map controls across Zscaler, SentinelOne, Darktrace, and Wazuh
Provide audit evidence and logging reports
Helpdesk (Level 2)
Escalation support for IT issues
Support onboarding/offboarding
AI Governance
Lead the development and enforcement of AI governance policies across Sellmark, ensuring safe and compliant use of AI technologies (e.g., Claude, ChatGPT, Microsoft Copilot, third-party AI tools).
Define and enforce acceptable use policies for AI, including Prohibition of sensitive data input, approved vs non-approved AI tools
Identify and mitigate AI-related risks, including: data leakage and exfiltration, intellectual property exposure, prompt injection and malicious AI manipulation, shadow AI usage across departments
Implement technical controls to enforce AI policies using: Zscaler, endpoint protection tools, logging and monitoring via Wazuh / SIEM
Collaborate with IT and leadership to: define secure AI adoption strategy, evaluate and approve new AI tools and vendors, establish governance frameworks for AI usage
Monitor and audit AI usage across the organization and: detect unauthorized or risky usage patterns, provide reporting and recommendations
Stay current with emerging AI threats, regulatory requirements, and best practices.
QUALIFICATIONS
Bachelor’s degree preferred or equivalent experience
4–6+ years IT support
2–4+ years cybersecurity
Hands-on with Zscaler, SentinelOne, Darktrace, Wazuh
Knowledge of CMMC/NIST
Strong communication, problem-solving, and relationship-building skills
WORK ENVIRONMENT & PHYSICAL REQUIREMENTS
May be required to sit or stand, for extended periods.
Occasional bending, twisting, reaching, pushing, pulling, and operating office machinery and motor vehicles.
Must be able to lift up to 50 pounds.
Primarily office-based with exposure to outdoor conditions occasionally.
WORK SCHEDULE/HOURS
Main hours are Monday – Friday 8am – 5pm in office daily.
Schedule may include evenings or weekends based on business needs
COMPENSATION, BENEFITS AND TRAINING
Competitive salary based on experience.
401k with company match.
Excellent Medical, Dental, and Vision Insurance (effective first of the month following 30 days).
Generous paid time off
Access to company wellness amenities: gym, sauna, chiropractor, cafeteria, and event space.
Intensive training program with ongoing professional development and career growth opportunities.
At Sellmark, we work to develop a cohesive, fair, and collegial culture. To that end, we try to communicate with our employees what that culture should be and the expectations for every employee. Sellmark Leadership has developed a Sellmark Talent Philosophy, a shared philosophy on how all managers and employees will be managed. We hope this gives you some further insight into working here at Sellmark.
The Sellmark Talent Philosophy is an extension of our Core Values and Culture. The talent philosophy provides some basic guidelines or ‘Rules of the Road’ on how we hire, release, and promote. These are the expectations we have for our leadership and employees.
PERFORMANCE:
At Sellmark, we strive to be masters of our roles, work to achieve our potential, and deliver high quality results on time. We expect everyone to be a self-starter and to take responsibility for the contributions of their work and team, while being committed to improving themself and encouraging the best for everyone in the organization. From the top down, we expect everyone to develop stretch goals, clear objectives, and to focus on outcomes that contribute to the success of Sellmark.
BEHAVIOR:
We want everyone to realize their potential and be successful. When the organization succeeds, we all succeed. Sellmark has grown from a small company to the one we are today by having a professional, friendly, and encouraging environment. We care for each other and expect that our managers will care for their employees, develop, and coach them. We expect everyone to be collaborative, team-oriented, and to speak up with healthy, honest discourse. We work hard to complete our objectives, which means we will go above and beyond for the success of the team and the organization.
GROWTH:
Sellmark will invest in employees who work hard, are self-starters, are motivated, and invest in themselves with continuous learning. Everyone will be given the opportunity to grow, as well as the tools to move forward in their career and personal life; however, everyone must take ownership of their development. Identified, high-potential employees will receive additional investment to grow. Employees must advocate for themselves and openly communicate if they are not receiving the resources or support needed. We expect everyone to help grow other employees and leaders.
TRANSPARENCY:
We care about our people and show that through our words and actions. Managers must communicate Company strategies, goals, and metrics with employees. Managers will be transparent with individuals regarding where they are seen in their roles and within the organization. Managers will provide regular, documented coaching check-ins with their direct reports. Wins should be celebrated across the entire organization. Honest and transparent conversations about advancement and where each employee stands should happen regularly, but no less than yearly. We expect everyone to ensure scalability within the organization by documenting processes, best practices, and sharing information.
ACCOUNTABILITY:
Everyone is accountable for taking ownership of their role, getting their work done, and for the success of the team and the organization. Part of performance evaluation will be setting challenging goals and the action plan to achieve those goals. For the Company to be successful, everyone must be accountable to themselves and others for their performance, and for the ability to identify and learn from mistakes, so they are ready to do better next time.
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