Cybersecurity Jobs in Osceola, AR

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Senior Cisco ISE Network & Industrial Cybersecurity Specialist

Antares Tech Services Inc Osceola, AR

Osceola, AR

Today

Up to $90k/yr Full time Senior Cisco Identity Services Engine Data Security

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Job Description

This role is a senior position responsible for designing, deploying, and managing secure industrial networks using Cisco ISE within manufacturing environments.

Responsibilities

Design, implement, and maintain Cisco ISE environments from initial architecture through production deployment.
Lead greenfield and brownfield Cisco ISE implementations for industrial manufacturing facilities.
Develop and enforce network access control (NAC) policies using Cisco ISE.
Configure and manage 802.1X authentication.
Configure and manage MAB (MAC Authentication Bypass).
Configure and manage TACACS+.
Configure and manage RADIUS.
Configure and manage certificate-based authentication (PKI).
Configure and manage guest and contractor access.
Design and implement secure segmentation strategies for IT/OT environments.
Develop security policies aligned with ISA/IEC 62443 and industrial cybersecurity best practices.
Support the complete infrastructure lifecycle, including design, deployment, testing, commissioning, optimization, documentation, and maintenance & upgrades.
Perform Cisco ISE upgrades, migrations, backup, disaster recovery planning, and health assessments.
Configure and troubleshoot Cisco Catalyst and Industrial Ethernet switches.
Work closely with cybersecurity, controls engineering, IT infrastructure, and plant operations teams.
Support industrial control systems while minimizing production downtime.
Monitor network performance, investigate security incidents, and resolve authentication issues.
Create technical documentation, network diagrams, standard operating procedures, and implementation guides.
Participate in cybersecurity audits, vulnerability assessments, and remediation activities.
Provide technical leadership during commissioning, plant startups, and major network upgrades.
Administration and maintenance of Cisco ISE infrastructure.
Creation and modification of authentication and authorization policies.
Device onboarding and profiling.
Endpoint identity management.
Troubleshooting authentication failures and connectivity issues.
Monitoring system health, logs, alarms, and security events.
Supporting certificate renewals and PKI integration.
Managing software upgrades and patching activities.
Supporting network deployments across multiple manufacturing sites.
Collaborating with engineering teams on new production lines and plant expansions.
7+ years of experience in Cisco enterprise networking.
5+ years of hands-on Cisco ISE administration and deployment experience.
Proven experience implementing Cisco ISE from initial design through production rollout.
Strong understanding of enterprise authentication technologies.
Experience with Cisco Catalyst, Industrial Ethernet (IE) switches, and Cisco DNA environments.
Extensive knowledge of: Cisco ISE, 802.1X, RADIUS, TACACS+, PKI, Active Directory integration & Network segmentation.
Experience deploying secure IT/OT architectures.
Strong troubleshooting skills in complex enterprise and industrial environments.
Experience in heavy industrial manufacturing.
Steel industry experience is highly preferred.
Experience supporting Level 1 and Level 2 automation networks.
Familiarity with industrial protocols, including PROFINET, EtherNet/IP, Modbus TCP, OPC UA.
Knowledge of Cisco Secure Firewall (Firepower), Cisco Secure Network Analytics (Stealthwatch) and Cisco Secure Access.
Experience with VMware, Windows Server, DNS, DHCP, and Active Directory.
Familiarity with Cisco SDA (Software Defined Access).
Strong analytical and problem-solving abilities.
Excellent communication and documentation skills.
Ability to work independently and lead technical initiatives.
Comfortable interacting with plant personnel, operations teams, and executive stakeholders.
Strong planning and organizational skills.
Ability to perform under pressure during critical production events and commissioning activities.
Experience supporting large-scale industrial modernization projects.
Experience working with multinational manufacturing organizations.
Ability to travel to manufacturing sites as required.
Previous experience leading industrial network security projects from conception through long-term operational support.

Requirements

7+ years of experience in Cisco enterprise networking.
5+ years of hands-on Cisco ISE administration and deployment experience.
Proven experience implementing Cisco ISE from initial design through production rollout.
Strong understanding of enterprise authentication technologies.
Experience with Cisco Catalyst, Industrial Ethernet (IE) switches, and Cisco DNA environments.
Extensive knowledge of: Cisco ISE, 802.1X, RADIUS, TACACS+, PKI, Active Directory integration & Network segmentation.
Experience deploying secure IT/OT architectures.
Strong troubleshooting skills in complex enterprise and industrial environments.

Technologies

Cisco ISE
802.1X
MAB (MAC Authentication Bypass)
TACACS+
RADIUS
PKI
Active Directory
Cisco Catalyst
Industrial Ethernet switches
Cisco DNA environments
PROFINET
EtherNet/IP
Modbus TCP
OPC UA
Firepower
Stealthwatch
Cisco Secure Access
VMware
Windows Server
DNS
DHCP
SDA (Software Defined Access)

Benefits

Health insurance

Job Type

Full-time

Salary

Up to USD 90,000 per year

Location

Osceola, AR (onsite)

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