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Firewall Jobs in Oklahoma (NOW HIRING)

Varsity Tutors

Cyber Security Tutor

Oklahoma City, OK · Remote

$18 - $40/hr

Deep knowledge of network security, cryptography, threat analysis, vulnerability assessment, security protocols, firewalls, intrusion detection systems, incident response, ethical hacking, and ...

Varsity Tutors

Cyber Security Tutor

Tulsa, OK · Remote

$18 - $40/hr

Deep knowledge of network security, cryptography, threat analysis, vulnerability assessment, security protocols, firewalls, intrusion detection systems, incident response, ethical hacking, and ...

Varsity Tutors

Cyber Security Tutor

Stillwater, OK · Remote

$18 - $40/hr

Deep knowledge of network security, cryptography, threat analysis, vulnerability assessment, security protocols, firewalls, intrusion detection systems, incident response, ethical hacking, and ...

Hillcrest HealthCare System

Network Architect

Tulsa, OK · On-site

$59 - $79.25/hr

... firewalls, FortiSwitch, FortiAP, and Fortinet SD-WAN. • 5+ years of experience designing and supporting cloud network fabrics and interconnects using platforms such as Equinix Fabric, Megaport, or ...

MIRATECH Corporation

Senior Systems Administrator

Tulsa, OK · On-site

$75K - $102K/yr

... firewalls, VPNs, and Wi-Fi across US sites. • Manage Microsoft 365, Azure / Entra ID, Intune and other cloud and SaaS platforms at an administrator level, including identity, access, MFA and ...

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Firewall information

See Oklahoma salary details

$9

$49

$73

How much do firewall jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for firewall in Oklahoma is $49.85, according to ZipRecruiter salary data. Most workers in this role earn between $42.40 and $56.83 per hour, depending on experience, location, and employer.

What is a firewall?

Firewalls are security systems—either hardware, software, or a combination of both—that monitor and control incoming and outgoing network traffic based on predefined security rules. Their main purpose is to protect networks and devices from unauthorized access, cyber threats, and malicious attacks by acting as a barrier between trusted internal networks and untrusted external networks, such as the internet. Firewalls can also be configured to block or permit specific types of traffic, helping organizations enforce security policies and maintain data privacy.

What are some common challenges faced by firewall administrators in maintaining network security?

Firewall administrators often face challenges such as keeping up with rapidly evolving cyber threats, ensuring firewall rules are up-to-date, and minimizing disruptions during necessary updates or configuration changes. Balancing security with network performance can also be difficult, as overly restrictive rules may hinder legitimate business operations while lax rules increase vulnerabilities. Effective communication with other IT and security teams is essential to ensure that firewall policies align with organizational needs and compliance requirements.

What are the key skills and qualifications needed to thrive as a firewall engineer, and why are they important?

To thrive as a Firewall Engineer, you need a strong understanding of network protocols, security best practices, and experience with firewall configuration, typically supported by a degree in computer science or related certifications like CompTIA Security+ or Cisco CCNP Security. Proficiency with enterprise firewall systems such as Palo Alto, Cisco ASA, or Fortinet, as well as monitoring tools and scripting languages, is essential. Analytical thinking, attention to detail, and effective communication are crucial soft skills for diagnosing issues and collaborating with IT teams. These skills and qualities are vital for ensuring robust network security and protecting organizational data from cyber threats.

What is the difference between Firewall vs Network Security Specialist?

AspectFirewallNetwork Security Specialist
CertificationsCompTIA Security+, Cisco CCNA SecurityCompTIA Security+, CISSP, Cisco CCNP Security
Work EnvironmentNetwork security devices, hardware/software configurationSecurity analysis, policy development, incident response
Industry UsageIT departments, cybersecurity firmsIT security teams, consulting firms
Primary FocusConfiguring and managing firewallsOverall network security strategy and threat mitigation

While firewalls are essential tools for controlling network traffic, Network Security Specialists develop comprehensive security strategies, including firewall management, to protect organizational assets. Both roles often collaborate but focus on different aspects of cybersecurity.

How to become a firewall expert?

To become a firewall expert, gain a strong understanding of network security principles and learn to configure and manage firewall devices such as Cisco ASA, Palo Alto, or Fortinet. Earning industry certifications like CompTIA Security+, Cisco CCNA Security, or Palo Alto Networks certifications can validate your skills, and hands-on experience with network administration and security tools is essential.

What does a firewall engineer do?

A firewall engineer designs, implements, and manages network security systems to monitor and control incoming and outgoing network traffic based on security policies. They configure and maintain firewalls, troubleshoot security issues, and ensure the protection of organizational data and systems, often using tools like intrusion detection systems and security information and event management (SIEM) platforms. Certifications such as CISSP or Cisco CCNP Security are common in this role.

What are popular job titles related to Firewall jobs in Oklahoma?

For Firewall jobs in Oklahoma, the most frequently searched job titles are:

What job categories do people searching Firewall jobs in Oklahoma look for?

The top searched job categories for Firewall jobs in Oklahoma are:

Firewall jobs near you
Infographic showing various Firewall job openings in Oklahoma as of August 2026, with employment types broken down into 78% Full Time, 7% Part Time, 2% Temporary, and 13% Contract. Highlights an 86% In-person, 7% Hybrid, and 7% Remote job distribution, with an average salary of $103,692 per year, or $49.9 per hour.

OT System & Infrastructure Specialist

HollyFrontier

Tulsa, OK • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 12 days ago

Job description

Basic Function

HF Sinclair is seeking a OT System & Infrastructure Specialist  in the following locations Dallas,TX, Artesia, NM, El Dorado, KS ,Tulsa,OK, Casper,WY, Sinclair, WY, Salt Lake City, UT, Woods Cross, or Anacortes, WA. The OT Infrastructure Specialist supports fleet-wide Operational Technology (OT) infrastructure used to operate industrial control systems across HF Sinclair sites. This position provides technical administration, troubleshooting, lifecycle support, documentation, backup and recovery, patch implementation, and project support for OT servers, endpoints, virtualization, networks, firewalls, and industrial control system infrastructure. The role reports to the OT Infrastructure & Cybersecurity Lead and coordinates closely with the OT Cyber Analyst, regional support teams, site OT teams, IT, vendors, and site stakeholders.

Job Duties

(functions considered essential as defined by ADA)

  • Administer, maintain, and support Operational Technology (OT) infrastructure systems across fleet locations, including servers, virtualization platforms, network devices, industrial firewalls, endpoint platforms, backups, and supporting services. 
  • Provide advisory and hands-on technical support, as appropriate, for OT infrastructure associated with Honeywell Experion PKS/FTE, Foxboro ICS, Siemens ICS, and other Industrial Automation and Control Systems (IACS) environments, including centrally managed platforms, approved fleet standards, escalated site support, and infrastructure lifecycle activities. 
  • Assist with implementation, configuration, and lifecycle management of OT infrastructure standards, including system hardening, configuration baselines, patching, backup schedules, and disaster recovery procedures. 
  • Deployment, configuration, lifecycle management, administration, and ongoing support of centrally managed OT infrastructure platforms and fleet-wide support tools and applications used across supported OT environments. 
  • Coordinate with refinery operations, maintenance, reliability, OT, IT, vendors, and contractors to support safe and reliable OT system operation. 
  • Maintain and improve OT infrastructure asset records, network documentation, system diagrams, configuration records, backup records, and infrastructure support documentation. Support efforts to ensure centrally managed OT assets and support platforms are accurately documented, visible, and supportable through approved fleet tools and reporting processes. 
  • Perform or coordinate approved OT infrastructure maintenance activities in accordance with change management, management of change, and site operating procedures. 
  • Support the implementation of security updates, operating system patches, application patches, and firmware updates for OT systems where validated and approved by the business. 
  • Monitor OT infrastructure health, availability, capacity, and performance; troubleshoot hardware, operating system, virtualization, network, and communication issues. 
  • Support incident response activities by providing technical analysis, system recovery assistance, log collection, and infrastructure restoration support. 
  • Assist with vulnerability remediation and corrective action activities identified by the OT Cybersecurity Analyst, OT Cybersecurity Specialist, audit findings, or risk assessments. 
  • Participate in technical and non-technical projects requiring OT infrastructure support and cybersecurity oversight to ensure standards, policies, procedures, and site requirements are followed. 
  • Support vendor access coordination and vendor maintenance activities in accordance with company remote access, cybersecurity, and safety requirements. 
  • Provide fleet guidance and technical support for OT infrastructure reliability, availability, backup, patching, and lifecycle practices. 
  • Maintain familiarity with ISA/IEC 62443 concepts related to zones and conduits, asset management, system hardening, patch management, backup and recovery, and secure maintenance of IACS environments. 

Special assignments or tasks assigned to the employee by their supervisor, as determined from time to time in their sole and complete discretion.

Experience
  • At least 4 to 7 years of related experience in OT infrastructure, industrial control systems, process control systems, network administration, systems administration, or a combination of equivalent experience. 
  • Experience supporting industrial control system environments, preferably Honeywell Experion PKS/FTE, Foxboro ICS, Siemens ICS, or similar distributed control system platforms. 
  • Knowledge of Windows Server, endpoint operating systems, virtualization, Active Directory integration, backup and restore methods, networking, firewalls, and industrial Ethernet communications. 
  • Experience supporting infrastructure in a refinery, pipeline, chemical, manufacturing, utility, or other industrial environment preferred. 
  • Working knowledge of cybersecurity concepts as applied to OT environments, including system hardening, least privilege, change control, remote access control, patch management, vulnerability remediation, and incident response support. 
  • Working knowledge of ISA/IEC 62443 principles preferred, especially as they relate to Industrial Automation and Control Systems (IACS), zones and conduits, secure system maintenance, and defense-in-depth. 
  • Experience coordinating work with operations, maintenance, engineering, IT, vendors, and site leadership. 
  • Ability to work calmly under pressure during system outages, abnormal operating conditions, or cybersecurity events. 
  • Possesses effective communication skills and the ability to explain technical issues to both technical and non-technical audiences. 
  • Acts with integrity, takes pride in work, demonstrates ownership, and seeks continuous improvement. 
Education Level

A minimum of a bachelor's degree in computer science, information systems, engineering technology, industrial technology, cybersecurity, management information systems, or related fields is preferred. Equivalent OT infrastructure, control systems, military, technical, or industrial experience may be considered in lieu of degree requirements. 

Required Skills
  • 4-7 years of related OT infrastructure, industrial networking, systems administration, or control systems support experience required. 
  • ISA/IEC 62443 Cybersecurity Fundamentals, CompTIA Security+, Network+, Server+, Microsoft, VMware, Cisco, Fortinet, Palo Alto, Honeywell, Foxboro, or Siemens certifications are a plus. 
  • Familiarity with Honeywell Experion PKS/FTE, Foxboro ICS, Siemens ICS environments, or similar control system infrastructure preferred. 
  • Knowledge of Windows Server, virtualization, endpoint administration, backups, networking, industrial firewalls, switches, and remote access technologies. 
  • Ability to support fleet-wide sites with up to 40% travel by land or air. 
Supervisory/Managerial Responsibility

Requires working closely with internal leadership teams, outside engineering firms, other companies, and in some case governmental agencies. No direct supervision is required: ability to lead cross functional teams is required.

Work Conditions

Office based with up to 40% of travel by land or air is required. Subject to all weather and varying road conditions. Occasional long hours, as well as nights and weekends, may be required to support maintenance windows, outages, cybersecurity events, and site project activities.

Benefits

HF Sinclair offers a comprehensive benefits package designed to support the well-being of our employees and their families. Our benefits include, but are not limited to, the following:

  • Medical Insurance
  • Vision Insurance
  • Dental Insurance
  • Paid Time-Off
  • 401(k) Retirement Plan with match
  • Educational Reimbursement
  • Parental Bonding Time
  • Employee Discounts

We are committed to fostering a supportive and inclusive work environment, ensuring our employees have the resources needed to thrive professionally and personally.

Benefit eligibility is governed by official plan documents, for more details visit Total Rewards.

Physical Requirements

Job conditions require sitting, talking or hearing, making visual inspections, making precise hand and finger movements, perceiving color difference, and the ability to operate and drive assigned company vehicles at company standard insurance rates. A valid State driver's license and proof of insurance are required. Job conditions may require standing, walking, twisting, stooping, crouching, kneeling, reaching or grasping, lifting and/or carrying up to 25 lbs.

Our One HF Sinclair Culture:

At HF Sinclair, we are united through our One HF Sinclair Culture, which is underpinned by our five core values of Safety, Integrity, Teamwork, Ownership and Inclusion. Developed to empower our people, our five core cultural values are at the heart of everything we do and extend to how we engage our stakeholders. These values influence our decisions, shape our behaviors and keep us connected across the entire organization.

We maintain a true Safety culture for our employees, communities, environments and customers. Our goal is to make sure everyone returns home safely each day. We have a long-standing commitment to Integrity and ethical behavior and do what is right for our employees, investors, communities and the environment. We encourage employees to Step Up and Stand Out by championing a culture of Teamwork and Ownership. We foster a culture of Inclusion by encouraging diversity of experiences, viewpoints and backgrounds. What makes each of us different, together makes us stronger.

About HF Sinclair Corporation

HF Sinclair Corporation, headquartered in Dallas, Texas, is an independent energy company that produces and markets high-value light products such as gasoline, diesel fuel, jet fuel, renewable diesel and lubricants and specialty products. HF Sinclair owns and operates refineries located in Kansas, Oklahoma, New Mexico, Wyoming, Washington and Utah. HF Sinclair provides petroleum product and crude oil transportation, terminalling, storage and throughput services to our refineries and the petroleum industry. HF Sinclair markets its refined products principally in the Southwest U.S., the Rocky Mountains extending into the Pacic Northwest and in other neighboring Plains states and supplies high quality fuels to more than 1,750 branded stations and licenses the use of the Sinclair brand to more than 350 additional locations throughout the country. HF Sinclair produces renewable diesel at two of its facilities in Wyoming and also at its facility in New Mexico. In addition, subsidiaries of HF Sinclair produce and market base oils and other specialized lubricants in the U.S., Canada and the Netherlands, and export products to more than 80 countries.

Equal Opportunity Employer

HF Sinclair Corporation is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status or any other prohibited ground of discrimination.

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