IT Cyber Security Engineer

The Planet Group; Madison (WI); Hybrid; USD 130,000 - 140,000; Full time

Job summary

Planet Group is partnering with a Madison, WI area company to locate a Senior Security Infrastructure Engineer with hands-on cybersecurity experience to shape how the organization protects its systems and data. You will deploy and manage security technologies, investigate incidents, and drive vulnerability remediation across endpoints, networks, and cloud environments.

A Bachelor’s degree or equivalent experience is required, with at least five years in security engineering and familiarity with

Qualifications

• Hands-on cybersecurity engineering experience.
• Experience with security controls and incident handling.
• Bachelor’s degree or equivalent experience.

Responsibilities

• Deploy, configure, and maintain security technologies across endpoints, networks, and shared infrastructure.
• Improve threat visibility through centralized logging, SIEM capabilities, and actionable security alerts.
• Investigate potential incidents, contain threats, and implement changes to reduce repeat events.
• Run vulnerability assessments and coordinate remediation with teams.
• Manage controls such as endpoint protection, firewalls, IDS/IPS, and data loss prevention.
• Help teams securely introduce new systems and update infrastructure.
• Translate security requirements into configurations and safeguards.
• Assess risks to sensitive information and improve access, retention, and protection.
• Maintain documentation on configurations, procedures, and incidents.
• Review threats and advisories to determine necessary actions.
• Support security awareness efforts.

Skills

CrowdStrike Falcon

Network security

Endpoint protection

Vulnerability management

Incident investigation

ISO 27001

SOX

CMMC

DFARS

Communication skills

Troubleshooting

Threat protection

Education

Bachelor's degree or equivalent

HS diploma + 4 years experience

Job description

Senior Security Infrastructure Engineer

Location: Greater Madison, WI -- three onsite days per week, with flexibility on which days Base Salary: $130,000-$140,000 Employment Type: Full-time, permanent Visa Sponsorship: USC Only

The Planet Group has partnered with a Madison, WI area company to locate a Cyber Security Engineer with excellent technical judgment and hands-on experience to shape how anorganization protects its systems and data.

This position suits a senior engineer who enjoys configuring tools, investigating suspicious activity, resolving vulnerabilities, and carrying improvements through implementation. Experience supporting manufacturing, pharmaceutical, or other regulated environments would be particularly valuable.

Responsibilities:

• Deploy, configure, and maintain security technologies across endpoints, networks, and shared infrastructure.
• Improve threat visibility through centralized logging, SIEM capabilities, and actionable security alerts.
• Investigate potential incidents, contain threats, identify root causes, and implement changes that reduce the likelihood of repeat events.
• Run vulnerability assessments, validate findings, and work with infrastructure and application teams to address configuration weaknesses and missing patches.
• Manage and improve controls such as endpoint protection, firewalls, intrusion detection and prevention, and data loss prevention.
• Help technical teams securely introduce new systems, connect environments, and update existing infrastructure.
• Translate security requirements into practical configurations, procedures, and technical safeguards.
• Assess risks to sensitive information and improve how data is accessed, handled, retained, and protected.
• Maintain clear documentation covering security configurations, operating procedures, incident response, and investigation findings.
• Review emerging threats and vendor advisories to determine which issues require action.
• Support employee security awareness efforts, including phishing and social engineering education.

Required Skills and Experience:

• At least five years of hands-on cybersecurity engineering experience.
• Experience deploying and administering CrowdStrike Falcon or comparable endpoint security technology.
• Practical knowledge of network security, endpoint protection, vulnerability management, and incident investigation.
• At least two years working with security requirements associated with ISO 27001, SOX, CMMC, or DFARS.
• Direct experience supporting CMMC requirements.
• Ability to independently troubleshoot complex security issues, prioritize work, and follow improvements through completion.
• Clear communication skills and the ability to work effectively with technical colleagues across departments.
• A bachelor's degree or an equivalent combination of education and relevant experience. Candidates with a high school diploma or GED and four additional years of relevant experience will also be considered.

Preferred Skills:

• Implementing or administering a SIEM platform.
• Securing Azure or AWS environments.
• Working with Rapid7, ThreatLocker, Cyberhaven, or similar security platforms.
• Supporting security assessments or integration activities during mergers and acquisitions.
• Protecting systems in manufacturing, pharmaceutical, or other regulated organizations.
• Relevant cybersecurity certifications or coursework toward certification.

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