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Operational Technology Cyber Security Jobs in Tennessee

Pennant Services

Senior IT Project Manager

Nashville, TN · On-site

$126K - $127K/yr

This role manages a portfolio of IT infrastructure, applications, cybersecurity, operational improvement,andPMO maturity projects from initiation through successful delivery. In addition to ...

Anakeesta

IT Systems Analyst

Knoxville, TN · On-site

$70 - $90/hr

This position works closely with operations, finance, food and beverage, retail, and IT teams to ... cybersecurity best practices and system access controlsExperience working in theme parks ...

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Operational Technology Cyber Security information

See Tennessee salary details

$51.7K

$120.7K

$168.8K

How much do operational technology cyber security jobs pay per year?

As of Sep 5, 2026, the average yearly pay for operational technology cyber security in Tennessee is $120,679.00, according to ZipRecruiter salary data. Most workers in this role earn between $100,700.00 and $136,100.00 per year, depending on experience, location, and employer.

What is an operational technology cyber security?

An Operational Technology (OT) Cyber Security job focuses on protecting industrial control systems (ICS), SCADA systems, and other critical infrastructure from cyber threats. Professionals in this role assess vulnerabilities, implement security controls, and monitor networks to prevent cyberattacks. They work closely with IT and engineering teams to ensure system integrity, compliance with security standards, and the safe operation of essential services. This role is critical in industries like energy, manufacturing, and transportation, where cyber threats can have severe physical and financial consequences.

What are the key skills and qualifications needed to thrive in operational technology cyber security?

Success in Operational Technology Cyber Security requires expertise in industrial control systems (ICS), risk assessment, network security, and a solid understanding of both IT and OT environments, often supported by a degree in cybersecurity, engineering, or a related field. Familiarity with tools like SCADA, firewalls, IDS/IPS, and certifications such as GICSP or CISSP are highly valued. Strong analytical thinking, attention to detail, and the ability to communicate complex concepts to both technical and non-technical stakeholders are key soft skills in this field. Mastering these skills is essential for protecting critical infrastructure, minimizing risks, and ensuring operational continuity in industrial environments.

What are some typical challenges faced in operational technology cyber security?

Professionals in Operational Technology Cyber Security often face the unique challenge of securing legacy systems that were not originally designed with cybersecurity in mind, while ensuring there is minimal disruption to industrial processes. They must regularly balance strict uptime requirements with the need to apply security updates and respond to emerging threats. Collaborating with engineers, IT specialists, and operations staff to develop and implement security measures is a key part of the role. In addition, adapting to evolving cybersecurity threats and regulatory standards keeps OT cyber security specialists continually learning and innovating.

What is operational technology in cybersecurity?

Operational Technology (OT) in cybersecurity refers to the hardware and software systems used to monitor and control physical processes in industries such as manufacturing, energy, and transportation. OT security involves protecting these systems from cyber threats to ensure safety, reliability, and continuous operation, often requiring specialized knowledge of industrial protocols and control systems. Cybersecurity professionals in this field may work with SCADA, PLCs, and ICS environments, and often pursue certifications like GICSP or CISSP.

What are the most commonly searched types of Operational Technology Cyber Security jobs in Tennessee?

The most popular types of Operational Technology Cyber Security jobs in Tennessee are:

What are popular job titles related to Operational Technology Cyber Security jobs in Tennessee?

For Operational Technology Cyber Security jobs in Tennessee, the most frequently searched job titles are:

What job categories do people searching Operational Technology Cyber Security jobs in Tennessee look for?

The top searched job categories for Operational Technology Cyber Security jobs in Tennessee are:

What cities in Tennessee are hiring for Operational Technology Cyber Security jobs?

Cities in Tennessee with the most Operational Technology Cyber Security job openings:

Operational Technology Cyber Security jobs near you
Infographic showing various Operational Technology Cyber Security job openings in Tennessee as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 16% Part Time, 3% Contract, and 1% Nights. Highlights an 84% Physical, 3% Hybrid, and 13% Remote job distribution, with an average salary of $120,679 per year, or $58 per hour.

Master Network Architect, Manufacturing

Nissan Motor Manufacturing UK

Smyrna, TN • Hybrid

$60.50 - $81/hr

Full-time

Medical, Retirement

Re-posted 2 days ago

Key responsibilities

  • Develop and govern OT network architectures supporting manufacturing technologies.

  • Design secure, highly available, and low-latency network solutions while establishing IT/OT segmentation, zoning, and boundary protection strategies.

  • Own and drive the long-term network architecture strategy and roadmap across manufacturing plants, data centers, cloud environments, and OT ecosystems.

Job description

Location: Smyrna, TN

Job Schedule: Hybrid (Monday - Thursday in office)
Education Requirement: Bachelor's degree

Sponsorship: No

Come Drive Innovation with Us. We are currently looking for a Master Network Architect (Operational Technology) to join our team in Smyrna, TN.

In this role, you will serve as the enterprise technical authority for manufacturing network architecture across Nissan Americas, helping shape the vision, strategy, and standards that enable secure, resilient, and scalable connectivity throughout our manufacturing operations.

You will partner with manufacturing, engineering, infrastructure, and cybersecurity teams to design and evolve network solutions supporting industrial automation, Operational Technology (OT), and digital manufacturing initiatives. This role will drive the adoption of modern network architectures, cloud connectivity, and IT/OT convergence strategies while ensuring operational continuity, production uptime, and cybersecurity across mission-critical manufacturing environments.

As a senior technical leader, you will provide architectural guidance, establish technology roadmaps and standards, evaluate emerging technologies, and help enable the next generation of connected manufacturing capabilities across Nissan's regional operations.

A Day in the Life:

The responsibilities listed are not intended to be an exhaustive list of all duties for this role.

  • Develop and govern OT network architectures supporting manufacturing technologies, including PLCs, DCS, SCADA, MES, historians, and Industrial IoT environments.

  • Design secure, highly available, and low-latency network solutions while establishing IT/OT segmentation, zoning, and boundary protection strategies that safeguard production environments.

  • Own and drive the long-term network architecture strategy and roadmap across manufacturing plants, data centers, cloud environments, and OT ecosystems.

  • Design end-to-end network solutions spanning LAN, WAN, WLAN, data center, cloud, OT infrastructure, wired and wireless technologies, and communication networks.

  • Establish and maintain architectural standards, reference architectures, design patterns, and best practices to support consistency, scalability, and operational excellence.

  • Lead architecture reviews and governance activities to ensure network solutions align with enterprise architecture, cybersecurity requirements, regulatory obligations, and operational standards.

  • Partner closely with cybersecurity teams to implement Zero Trust-aligned network architectures, proactively identifying and addressing security risks, technical debt, resiliency gaps, and vulnerabilities.

  • Define and implement network segmentation, access control, and protection strategies that secure manufacturing environments without impacting plant availability or production operations.

  • Lead network architecture efforts supporting cloud, hybrid cloud, and multi-cloud environments, including manufacturing connectivity, vendor access, remote access, and plant-to-cloud data flows.

  • Evaluate and guide the adoption of emerging technologies such as SD-WAN, SASE, network automation, and observability solutions to improve scalability, resiliency, and security across manufacturing operations.

  • Design highly available and disaster-resilient network architectures that support 24x7 manufacturing operations, including monitoring, alerting, backup, recovery, and operational support capabilities.

  • Serve as the senior technical escalation point for complex network and production-related challenges, providing architectural leadership and guidance on high-impact initiatives.

  • Mentor engineers and architects while providing technical direction to vendors, system integrators, and cross-functional teams supporting mission-critical manufacturing environments.

Who We're Looking For:

Required

  • Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field required.

  • 10+ years of overall IS/IT experience with at least 6+ years experience in an architect role.

  • 10+ years of experience with Cisco networking technologies, including routing, switching, wireless networking, and network security.

  • 5+ years of experience architecting and implementing Cisco Identity Services Engine (ISE) and Cisco DNA Center (DNAC).

  • Deep knowledge of LAN/WAN architecture, DNS, DHCP, load balancing, and network resiliency concepts.

  • Handson experience with cloud networking (AWS, Azure, hybrid models).

  • Familiarity with SD-WAN, SASE, network automation, and network observability technologies.

  • Proven experience designing and governing large-scale, complex, and secure network environments.

  • Hands-on experience with Cisco firewalls, network segmentation, secure remote access, and network monitoring platforms.

Desired:

  • Demonstrated success partnering with business, engineering, infrastructure, and cybersecurity teams across large organizations.

  • Experience supporting manufacturing, Operational Technology (OT), industrial automation, or other mission-critical environments preferred.

What You'll Look Forward to at Nissan:

Career Growth and Continuous Learning Opportunities: Benefit from diverse career paths, cross-departmental moves, and innovative learning platforms. Enhance your skills through seminars, leadership training, and tuition reimbursement programs, all while playing a vital role in shaping the future of transportation. From day one, you'll have the support to tackle challenges and contribute to impactful solutions across our organization.

Rewards: Be supported with a Comprehensive Benefits Package, including medical, mental health, parental leave, retirement savings & unique Nissan perks, including discounts on lease vehicles as part of our Employee Lease Program and a Vehicle Purchase Program (VPP). For more information, access our Nissan Benefits Overview Guide.

Nissan is committed to a drug-free workplace. All employment is contingent upon the successful completion of drug and background screenings in accordance with Nissan policies and in compliance with federal, state, and local laws, including the California Fair Chance Act and the Los Angeles County Fair Chance Ordinance. Nissan will consider qualified candidates with arrest or conviction records for employment in a manner consistent with these laws.

It is Nissan's policy to provide Equal Employment Opportunity (EEO) to all persons regardless of race, gender, military status, disability, or any other status protected by law. Candidates for this position must be legally authorized to work in the United States and will be required to provide proof of employment eligibility at the time of hire; Nissan uses E-Verify to validate employment eligibility.

NISSAN FOR EVERYONE

People are our most valuable assets, and diversity and inclusion are the key to maximizing the power of each individual member of our team. When everyone belongs, the power of NISSAN is undeniable. Our Corporate Diversity Initiative aims to improve business results by ensuring that our workplace and core businesses meet the unique needs of our employees and customer base.

Nissan is committed to creating a culture where everyone belongs and employees, customers, and partners feel respected, valued, and heard. We have over 10 Business Synergy Teams (BSTs) across the U.S. and Canada that connect employees - with shared characteristics or interests - build allies, and foster a company culture where all employees feel supported and included.

Nissan also values inclusion in all areas of our business as we strive to mirror the diversity of our customer base and the communities where we do business. We are committed to procuring innovative goods and services, retailing our products and communicating from a diverse perspective which will help us continue to offer our customers competitively designed, market-driven products.

Join us as we carry our commitment to diversity and inclusion into the future.

Smyrna Tennessee United States of America

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