Security Engineer II

Flynn Group; Independence Township (OH); On-site; USD 140,000 - 170,000; Full time

Benefits offered by this job

Retirement plan

Disability insurance

Life insurance

Tuition reimbursement

Paid time off

Hybrid work schedule

Company outings

Dining discounts

On-site fitness center

Job summary

Flynn Group is seeking a Senior Security Engineer to strengthen cyber defenses across infrastructure, endpoints, cloud, identity, and networks. The role designs hardening standards, supports incident response, and partners with technology and business teams to assess risk in new solutions.

The ideal candidate is hands-on, can translate technical risk to business impact, and drive remediation across a distributed enterprise. Four days in-office, Fridays from home, with a collaborative culture.

Qualifications

• 5+ years of experience in cybersecurity, security engineering, or related roles.
• Hands-on experience with security tools such as EDR, SIEM, email security, vulnerability management, endpoint management, or firewall platforms.
• Experience identifying, documenting, prioritizing, and driving remediation of security risks.
• Strong written and verbal communication skills, including the ability to explain technical risk to non-technical stakeholders.

Responsibilities

• Develop, maintain, and improve security hardening standards for servers, endpoints, networks, cloud services, and identity platforms.
• Partner with IT and business teams to embed secure configurations and least-privilege principles.
• Operate, tune, and improve security platforms such as EDR, SIEM, email security, vulnerability management, and related tools.
• Investigate incidents, document findings, coordinate remediation, and elevate risks based on business impact.
• Lead tabletop exercises, attack simulations, and purple-team activities.
• Track remediation of findings from testing, audits, and incidents.
• Communicate risk clearly to technical and business stakeholders.

Skills

Communication skills

Security mindset

Problem-solving

Education

Bachelor's degree in CS/Cybersecurity/IS

Tools

EDR

SIEM

Email security

Vulnerability management

Endpoint management

Firewalls

Job description

At Flynn Group, we believe in the power of collaboration and value in-person interactions. This is why our employees work from the office four days per week, leaving Fridays to work from home. This setup cultivates casual conversations, problem-solving, and trusted relationships. Our goal is to create an environment where innovation thrives, with office-based teams coming together four days a week to collaborate and thrive, together!

Position Description

The Senior Security Engineer is responsible for strengthening Flynn Group’s cyber defense posture across infrastructure, endpoint, cloud, identity, and network environments. This role designs and maintains security hardening standards, supports incident response and security investigations, leads purple-team and tabletop exercises, manages remediation risk tracking, and partners with technology and business teams to assess security risk in new solutions. The ideal candidate is a hands‑on security engineer who can operate security tools, translate technical risk into business impact, and drive practical remediation across a distributed enterprise environment.

Essential Responsibilities and Duties

Security Engineering & Hardening

• Develop, maintain, and continuously improve security hardening standards for servers, endpoints, networks, cloud services, and identity platforms.
• Partner with IT and business technology teams to embed secure configuration and least-privilege principles into new and existing solutions.
• Assist with security reviews of key enterprise platforms, tools, and technologies.

Threat Detection, Response & Security Tooling

• Operate, tune, and improve security platforms such as EDR, antivirus, email security, SIEM, vulnerability management, and related monitoring tools.
• Investigate cybersecurity incidents, document findings, coordinate remediation, and elevate risks based on business impact.
• Develop and improve detection, alerting, response, and remediation playbooks.

Purple Team, Testing & Resilience

• Lead or coordinate tabletop exercises, attack simulations, penetration testing follow-up, and other purple-team activities.
• Manage honeypot/deception capabilities and use findings to improve detection, response, and control effectiveness.
• Track remediation of security findings from testing, audits, vulnerability scans, and incident reviews.

Risk, Governance & Business Partnership

• Maintain a security risk roster, document remediation options, and communicate risk clearly to technical and business stakeholders.
• Review new business and technology solutions for security risks, including third-party/vendor risk and AI-related risks.
• Contribute to security policy, standards, audit evidence, and control documentation.

Education and Experience

Required

• 5+ years of experience in cybersecurity, security engineering, infrastructure security, incident response, vulnerability management, or related disciplines.
• Hands-on experience with security tools such as EDR, SIEM, email security, vulnerability management, endpoint management, or firewall/security platforms.
• Experience identifying, documenting, prioritizing, and driving remediation of security risks.
• Strong written and verbal communication skills, including the ability to explain technical risk to non-technical stakeholders.

Preferred

• Experience with Industry Leading EDR solutions, Cloud Security Principles, Industry leading Firewall technology, & Sentinel SIEM.
• Experience with tabletop exercises, penetration testing coordination, red-team/purple-team activities, adversary simulation, or detection engineering.
• Familiarity with NIST CSF, MITRE ATT&CK, ISO 27001, or similar frameworks.
• Experience assessing third-party/vendor security risk and AI-enabled business solutions.
• Bachelor’s degree in Computer Science, Cybersecurity, Information Systems, or equivalent experience.
• Security certifications such as CISSP, Security+, CySA+, GCIH, GCIA, GCFA, CEH, PNPT, or OSCP.

Why Work For Flynn?

• Retirement and Savings Plan
• Short- and Long-Term Disability
• Basic Life Insurance
• Voluntary Life Insurance
• Tuition Reimbursement
• Paid Time Off
• Flexible/Hybrid Work Schedules (In Office Monday - Thursday, Work from Home Friday)
• Company Outings
• Dining Discounts
• On-Site Fitness Center

The Flynn Group is an Equal Opportunity Employer