Network Security Application Support (NSAS) Engineer

Kelly Mitchell; Plano (TX); Hybrid; USD 77,000 - 110,000; Full time

Benefits offered by this job

Medical, Dental, & Vision Insurance

Employee-Owned Profit Sharing (ESOP)

401K offered

Job summary

KellyMitchell Group is seeking a Network Security Application Support (NSAS) Engineer to join a 24x7 Network Security Operations team in Plano, TX. You will troubleshoot incidents, support large-scale environments, and develop automation to improve operational efficiency for critical enterprise infrastructure.

Responsibilities include monitoring security events, analyzing logs, supporting VPNs, Palo Alto, WAFs, Akamai, and bot protection, and onboarding new domains into the enterprise support

Qualifications

• Experience in network security and enterprise incident response.
• Proven ability to troubleshoot complex network issues in large environments.
• Proficiency in scripting (Python) for automation and tooling.

Responsibilities

• Monitor and respond to network and security incidents from automated alerting.
• Investigate VPN connectivity, outages, web app security, and infrastructure issues.
• Support technologies including GlobalProtect, Palo Alto, Akamai, F5, WAFs, and bot protection.
• Analyze logs/metrics to identify root causes and propose solutions.
• Escalate issues to engineering and support teams as needed.
• Document remediation steps and incident findings for post-incident reviews.
• Assist onboarding of new domains/apps into the operations model.
• Develop automation to improve incident response and efficiency.

Skills

Network Engineering

Network Security

Python scripting

Incident response

24x7 production support

Troubleshooting

Tools

Splunk

Datadog

New Relic

Observe

Jenkins

Docker

CI/CD Pipelines

Job description

Job Summary

Our client, a major financial services provider, is seeking a Network Security Application Support (NSAS) Engineer to join a 24x7 Network Security Operations team supporting critical enterprise infrastructure. This role is ideal for a hands-on network and security engineer who enjoys troubleshooting complex incidents, supporting large-scale environments, and utilizing automation to improve operational efficiency. The engineer will support a broad portfolio of network and security technologies, respond to incidents, investigate alerts, and help onboard new applications and domains into the enterprise support model. This position is W-2 only. We do not work with third-party firms or C2C arrangements for this role.

Contract Details

• Duration: Long-Term Contract
• Location: Plano, TX
• Work Model: Primarily remote

Core Responsibilities

• Monitor and respond to network and security incidents generated through automated alerting platforms
• Investigate and troubleshoot issues involving VPN connectivity, network outages, web application security, and enterprise infrastructure
• Support technologies including GlobalProtect, Palo Alto, Akamai, F5, WAF platforms, and bot protection solutions
• Analyze logs and metrics using observability platforms to identify root causes and recommend solutions
• Escalate application-related issues to appropriate engineering and support teams
• Document remediation activities, incident findings, and resolution steps
• Support onboarding of new domains and applications into the operational support model
• Develop and maintain automation solutions to improve operational efficiency and incident response
• Participate in a collaborative shift-based support environment supporting critical business systems

Required Skills & Experience

• Strong background in Network Engineering and Network Security
• Experience supporting enterprise security environments and responding to production incidents
• Python scripting and automation experience
• Experience with observability and monitoring tools such as: Splunk, Datadog, New Relic, Observe
• Strong troubleshooting and root-cause analysis abilities
• Experience working within a 24x7 production support environment
• Ability to work independently while collaborating effectively across distributed teams

Preferred Skills & Experience

• Palo Alto Firewalls
• Akamai
• F5 Load Balancers
• GlobalProtect VPN
• AWS Web Application Firewall (WAF)
• Bot Protection and Bot Management Platforms
• Jenkins Docker CI/CD Pipelines
• CCNA or CCNP Certifications
• Hands-on experience with the required technologies is preferred over certifications alone

Key Competencies & Behaviors

• Incident Response & Problem Resolution
• Multi-Priority Operations Management
• Technical Ownership & Accountability
• Written & Verbal Communication
• Independent Overnight Support
• Subject Matter Expertise & Domain Ownership

Work Environment

Location: Plano, TX

Work Model: Primarily remote (Must reside in the Plano, TX area and be available for occasional onsite meetings and team activities).

Schedule

Third Shift | 10:00 PM - 6:30 AM CT

Compensation & Benefits

Pay Range: The approximate pay range for this position is between $56.00 and $80.00. Please note that the pay range provided is a good faith estimate. Final compensation may vary based on factors including but not limited to background, knowledge, skills, and location. We comply with local wage minimums.

• Medical, Dental, & Vision Insurance Plans
• Employee-Owned Profit Sharing (ESOP)
• 401K offered

About KellyMitchell

At KellyMitchell, our culture is world class. We’re movers and shakers! We don’t mind a bit of friendly competition, and we reward hard work with unlimited potential for growth. This is an exciting opportunity to join a company known for innovative solutions and unsurpassed customer service. We're passionate about helping companies solve their biggest IT staffing & project solutions challenges. As an employee-owned, women-led organization serving Fortune 500 companies nationwide, we deliver expert service at a moment's notice.