Senior Information Security Engineer OTIoT & Operational Technology (OT) Security

• Lead the design deployment and lifecycle management of security controls for OT ICS and IoT environments.
• Secure critical data center infrastructure systems including BMS EPMS DCIM PLCs SCADA components and industrial network segments.
• Define and enforce network segmentation strategies between IT and OT environments (zones/conduits).
• Implement and maintain secure remote access solutions for vendors and operational support teams.

• Develop and maintain visibility across OT networks including asset inventory network flows and anomalous behavior detection.
• Integrate OT telemetry into enterprise monitoring platforms (e.g. SIEM SOAR) where appropriate.
• Partner with SOC teams to develop OT-specific detection use cases and incident playbooks.

• Establish and maintain OT vulnerability management practices including asset profiling passive scanning and vendor coordination.
• Assess exploitability and operational risk for OT assets (e.g. controllers embedded devices facility systems).
• Define risk-based remediation strategies considering uptime safety and operational constraints.

• Support and lead OT-related incident investigations containment and recovery efforts.
• Develop OT-specific response plans aligned with safety and operational continuity requirements.
• Participate in tabletop and post-incident exercises with cross-functional teams.

• Lead OT/IoT security design reviews for new builds retrofits and expansion projects.
• Collaborate with facility engineering construction and vendors to embed security in design (secure by design).
• Drive security standards for third-party integrations vendor systems and supply chain risk.

• Implement controls aligned with frameworks such as NIST CSF NIST 800-82 IEC 62443 CIS SOC 2 PCI and other applicable standards.
• Support audits and evidence collection related to OT/security controls.

• Serve as a trusted partner to Facility Operations Engineering and Technology teams.
• Lead technical discussions and influence security decisions across IT/OT convergence initiatives.
• Promote a culture of security aligned with QTS core values and servant leadership principles.

• 10 years of experience in cybersecurity with strong engineering background innetwork systems or OT security.
• Demonstrated experience securingindustrial environments IoT systems or critical infrastructure.
• Experience with OT/ICS technologies such as PLCs SCADA BMS/EPMS/DCIM or industrial protocols (Modbus BACnet DNP3 etc.).
• Strong knowledge of OT network segmentation secure architectures and zero trust principles.
• Experience with vulnerability management and risk evaluation in constrained or uptime-sensitive environments.
• Ability to translate cybersecurity risk into business and operational impact.
• Proven track record of ownership accountability and collaboration across teams.

• Experience in data center or critical infrastructure environments.
• Familiarity withNIST 800-82 IEC 62443 or other OT-specific frameworks.
• Experience integrating OT environments into SIEM/SOAR platforms.
• Scripting experience (Python PowerShell etc.) for automation and data analysis.
• Relevant certifications (CISSP GICSP GRID GCIP CCSP etc.).

• Deep understanding of IT/OT convergence challenges and security controls.
• Strong analytical and problem-solving skills in high-availability environments.
• Ability to lead cross-functional initiatives without direct authority.
• Experience with security technologies such as:
  • Network security and segmentation (firewalls NAC microsegmentation)
  • SIEM EDR IDS/IPS and threat intelligence platforms
  • Identity and privileged access controls in hybrid environments
• Strong communication skills with both technical and non-technical stakeholders.
• Commitment to continuous learning innovation and operational excellence.

• Demonstrate integrity accountability and a commitment to excellence.
• Operate with a team-first mindset and collaborate across disciplines.
• Deliver secure reliable solutions that support our customers and communities.
• Embody servant leadership by supporting others and contributing to a culture of trust and belonging.

• Competitive compensation and bonus eligibility
• Comprehensive benefits package including medical dental vision life and disability insurance
• 401(k) with company match
• Paid time off holidays and volunteer days
• Tuition assistance parental leave and wellness programs
• Employee-focused programs that support financial physical and community well-being

We conform to all the laws statutes and regulations concerning equal employment opportunities and affirmative action. We strongly encourage women minorities individuals with disabilities and veterans to apply to all of our job openings. We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race color religion gender sexual orientation gender identity or national origin age disability status Genetic Information & Testing Family & Medical Leave protected veteran status or any other characteristic protected by law. We prohibit retaliation against individuals who bring forth any complaint orally or in writing to the employer or the government or against any individuals who assist or participate in the investigation of any complaint or discrimination claim.

The Know Your Rights Poster is included here:

Know Your Rights (English)

Know Your Rights (Spanish)

The pay transparency policy is available here:

Pay Transparency Nondiscrimination Poster-Formatted

QTS is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process please send an e-mail to and let us know the nature of your request and your contact information.