Top 9 It security analyst Jobs in Mequon, Wi

Operations Technology Cybersecurity Analyst
Silgan Containers Mfg Corp —Brookfield, WI
- Full-time
- System design
- Mid-level
- 3 years
- AD&D insurance
- Paid holidays
Bilingual (Russian) Cyber Intelligence Analyst
Hold Security, LLC —Mequon, WI
- From $50,000 a year
- Full-time
- Background check
- Computer literacy
- Research
- Health savings account
- Health insurance
Quick Apply
Lead DI Security and Compliance Analyst
Rockwell Automation —Milwaukee, WI
- Full-time
- Hybrid work
- Azure
- Oracle
- CPA
- Health insurance
- Dental insurance
12d
Lead Cyber Threat Intelligence Analyst
U.S. Bank National Association —Brookfield, WI
- $126,820 - $149,200 a year
- Full-time
- Office
- Analysis skills
- Mentoring
- Paid holidays
- Disability insurance
Security Operations Analyst
Global Power Components —Milwaukee, WI
- Mid-level
- Analysis skills
- Continuous improvement
Quick Apply
Senior Cybersecurity Analyst - Encryption
FIS Global —Brown Deer, WI
- Full-time
- Computer science
- Azure
- Computer Science
Technology Compliance & Vendor Management Analyst
Novus Home Mortgage —Brookfield, WI
- Microsoft Excel
- Microsoft Outlook
- 5 years
Quick Apply

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Operations Technology Cybersecurity Analyst

Silgan Containers Mfg Corp -
Brookfield, WI

Apply Now

Job Details

Full-time

Benefits

AD&D insurance
Paid holidays
Health insurance
Dental insurance
Tuition reimbursement
Paid time off
Vision insurance
401(k) matching
Professional development assistance
Pet insurance

Qualifications

Manufacturing facility experience
Collaboration with manufacturing teams
OEM
Manufacturing company experience
Security technology solutions implementations

Full Job Description

Working for Silgan will be the best decision you make!

Operations Technology Cyber Security Analyst

We are seeking a highly skilled and detail-oriented Operations Technology (OT) Cyber Security Analyst to join our Business Technology team. In this role, you will protect Silgan’s industrial control systems and other operational technology (OT) infrastructure by identifying, assessing, and mitigating cybersecurity risks. You will partner with Engineering, Operations, and IT to ensure secure, compliant, and resilient OT environments across all manufacturing facilities.

What We Can Offer You

An inclusive and collaborative culture where every team member is valued and recognized.
Competitive salary and comprehensive benefits, including health, dental, vision, life, disability, and AD&D coverage.
Supplemental benefits such as pet insurance, telemedicine access, and employee perk programs.
401(k) plan with employer match (after eligibility period).
Paid time off and holiday schedule.
Tuition assistance for professional development and certifications.
Opportunity to work in a stable, growth-oriented environment.

What You Will Do

Monitor, assess, and respond to cybersecurity threats and vulnerabilities in OT environments, including ICS, DCS, and PLC systems.
Coordinate OT Intrusion Detection Software (IDS) site implementation and manage consultant deliverables.
Administer Claroty and similar monitoring software; escalate IDS alerts to stakeholders and assist with remediation.
Implement and maintain OT cybersecurity controls aligned with NIST, ISA/IEC 62443, and related frameworks.
Conduct OT risk assessments, threat modeling, and gap analyses for OT assets and networks.
Investigate incidents, perform root cause analyses, and coordinate response efforts with relevant teams.
Conduct vulnerability assessments and penetration testing while ensuring minimal operational disruption.
Support design and maintenance of network segmentation, firewalls, secure remote access, and other OT security controls.
Assist with audits, compliance reporting, and documentation for standards such as NERC CIP, SOX, and ISO 27001.
Maintain OT asset inventory and documentation of system configurations and cybersecurity controls.
Stay current with emerging OT/ICS security threats and technologies.

What You Need to Have

Bachelor’s degree in Cybersecurity, Information Technology, Engineering, Automation, or a related field (or equivalent experience).
Experience working in manufacturing shop floor environments.
Strong analytical, troubleshooting, and communication skills.
Ability to work effectively in fast-paced operational environments.
Collaboration with Plant Managers to align security activities with scheduled maintenance outages and production cycles.
Willingness to travel to manufacturing sites as needed for system implementation and support (up to 25-50%).
Experience implementing compensating controls for legacy systems that cannot be patched or upgraded.
Experience managing security requirements with third-party automation vendors and OEMs (Rockwell, Siemens, Honeywell, etc.)
Preferred but not required:
- 3+ years of cybersecurity experience, including 1–2 years in OT or ICS environments.
- Knowledge of industrial protocols (e.g., Modbus, DNP3, OPC, BACnet).
- Familiarity with frameworks such as NIST 800-82, ISA/IEC 62443, NERC CIP, and MITRE ATT&CK for ICS.
- Hands-on experience with SIEMs, IDS/IPS, vulnerability scanners, firewalls, and asset discovery tools.
- Knowledge and support of device networking and manufacturing systems.
- Certifications such as GICSP, CISSP, CISM, CISA, GRID, or Security+.
- ICS515 (ICS Visibility, Detection, and Response), ICS612: (ICS Cybersecurity In-Depth)

Who We Are

America’s largest metal food packaging producer.
A company that strives toward sustainability by reducing our carbon footprint, selecting like-minded suppliers, and providing recyclable products.

Ready to grow with us?

Be part of a team where your contributions matter. Apply now to join us at our new location: 21027 Crossroads Circle, Waukesha, WI.

Apply Now

Refine Your Search

it security analyst jobs in mequon, wi

Operations Technology Cybersecurity Analyst

Bilingual (Russian) Cyber Intelligence Analyst

Lead DI Security and Compliance Analyst

Lead Cyber Threat Intelligence Analyst

Security Operations Analyst

Senior Cybersecurity Analyst - Encryption

Technology Compliance & Vendor Management Analyst

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