Network Security Engineer

nTech Workforce; Delta (PA); On-site; USD 120,000 - 150,000; Full time

Job summary

nTech Workforce is seeking a detail-oriented Network Security Engineer to support a leading energy provider at nuclear generation facilities in Pennsylvania. You will focus on firewall traffic control, Splunk SIEM engineering, and OT infrastructure upgrades in a 100% onsite role in Delta or Pottstown.

The position requires 5+ years of hands-on cybersecurity experience, expertise with Cisco Firepower, and a strong server/industrial network background.

Qualifications

• Minimum 5+ years of hands-on cybersecurity or network security experience.
• Hands-on experience with Cisco Firepower firewalls and rule sets.
• Splunk SIEM engineering experience with alert tuning and dashboards.
• Strong understanding of server systems and industrial network architecture.
• Must pass nuclear security processing and background checks.

Responsibilities

• Support and administer cyber defensive infrastructure across plant systems and lab environments.
• Maintain and update Cisco Firepower firewall rule sets to manage traffic.
• Perform Splunk SIEM engineering, including alert tuning, detection engineering, and dashboard updates.
• Utilize detailed technical documentation to run tests, verify updates, and perform patch maintenance.
• Collaborate with Senior Cyber SMEs to troubleshoot lab issues and implement verified changes.
• Adhere to nuclear work management, change control, and configuration control processes.

Skills

Cybersecurity engineering

Firewall traffic control

Industrial network architecture

Education

Bachelor's degree in Cybersecurity, Computer Science, Engineering, or related field

Tools

Cisco Firepower

Splunk SIEM

Job description

***Candidates MUST BE located in Delta, PA 19314 (or) Pottstown, PA 19464

Role: Network Security Engineer

W2 Contract: 12 Months

Location: 100% onsite in Delta, PA 19314 (or) Pottstown, PA 19464

Overview

Client is seeking a detail-oriented Cybersecurity Engineer to support a leading energy provider at nuclear generation facilities in Pennsylvania. This role is responsible for supporting, building, and administering cyber defensive infrastructure that protects vital plant operational systems and dedicated lab testing environments. Working alongside experienced subject matter experts, you will focus on firewall traffic control, SIEM dashboard and alert engineering, and supporting critical OT infrastructure upgrades.

Key Responsibilities

• Support and administer cyber defensive infrastructure across plant systems and lab environments.
• Maintain and update Cisco Firepower firewall rule sets to manage and control traffic on plant networks.
• Perform Splunk SIEM engineering, including alert tuning, detection engineering, and dashboard updates.
• Utilize detailed technical documentation to run tests, verify system updates, and execute patch maintenance.
• Collaborate with Senior Cyber SMEs to troubleshoot lab issues and implement verified changes in plant environments.
• Strictly adhere to nuclear work management, change control, and configuration control processes.

Required Qualifications

• Minimum 5+ years of hands-on experience in cybersecurity engineering or network security.
• Demonstrated hands-on experience with Cisco Firepower firewalls (rule set modification, traffic filtering).
• Hands-on experience with Splunk SIEM engineering (alert creation, tuning, and dashboard updates).
• Solid technical understanding of server systems and industrial network architecture.
• Ability to pass full nuclear critical group security processing, including background checks, fitness-for-duty screening, drug/alcohol tests, and psychological assessments.
• Bachelor’s degree in Cybersecurity, Computer Science, Engineering, or a related field.

Preferred Qualifications

• Previous experience in nuclear power operations or utility sector work management processes.
• Background in Operational Technology (OT), SCADA, or industrial control system (ICS) security.
• Active Cisco certifications (e.g., CCNA) or Splunk certifications.