Senior IT Network & Security Engineer

IT Network & Security Expert Contract to hire On site

In Denton TX Job Summary:

We are seeking a very Senior level IT Network & Security Expert to design, implement, secure, and maintain our enterprise network infrastructure. The ideal candidate has deep technical expertise in network architecture, firewalls, security controls, incident response. You will play a key role in ensuring our systems remain reliable, scalable, and protected against evolving cyber threats. Key Responsibilities Design, deploy, and manage enterprise LAN, WAN, WLAN, and VPN infrastructures. Configure and maintain routers, switches, firewalls, load balancers, and monitoring systems. Optimize network performance, capacity, and load balancing to ensure high availability. Troubleshoot network issues and perform root-cause analysis. Security Architecture & Management Implement and manage security solutions such as firewalls, IDS/IPS, SIEM, endpoint protection, and DLP. Conduct regular security assessments, vulnerability scans, and penetration tests. Develop and enforce network security policies, standards, and procedures. Monitor security alerts and lead incident response activities. Governance, Compliance & Documentation Support compliance with ISO 27001, NIST, GDPR, and other relevant frameworks. Maintain detailed documentation of network diagrams, configurations, and processes. Participate in audits, risk assessments, and disaster recovery planning. Collaboration & Support Work closely with DevOps, IT Support, and software teams to deliver secure solutions. Provide advanced technical support, guidance, and training to internal teams. Required Qualifications Bachelor's degree in Computer Science, Information Technology, or a related field. 5+ years of experience in network engineering and cybersecurity roles. Strong knowledge of TCP/IP, routing protocols (BGP, OSPF, EIGRP), VLANs, MPLS, and VPNs. Expertise with firewall technologies (e.g., Palo Alto, Cisco switches, Cisco Firepower). Solid understanding of identity and access management (IAM), MFA, PKI, and SSO. Preferred Qualifications Professional certifications such as:

CCNA/CCNP/CCIE CISSP, CISM, CEH

Security+, Network+ Azure/AWS security or networking certifications Experience with Palo Alto, SD-WAN, NAC (e.g., Cisco ISE), and Wi-Fi 6 technologies. Previous experience in SOC operations or cyber threat analysis a plus. Soft Skills Strong analytical and problem-solving abilities. Excellent communication and documentation skills. Ability to work independently and in a team environment. High attention to detail and security-minded mindset.

Preferred Qualifications:

Network and Telecommunications (CISCO, MPLS/WAN/LAN)

• Expert Security (Palo Alto, Forcepoint, Encryption)
• Expert ITIL processes
• Basic Excellent verbal and oral communication
• Advanced (English) Exposure or knowledge of Cybersecurity Maturity Model Certification (CMMC), NIST SP 800-171, NIST SP 800 172 a plus.

Work Environment:

This role may require occasional evening or weekend work during planned outages or upgrades.

Job Type:

Contract Pay:

$50.00

• $70.

00 per hour

Benefits:

Relocation assistance Application Question(s): Are you willing to work Onsite in Denton TX for this role?

Experience:

Network security: 10 years (Required)

License/Certification:

US Citizenship (Preferred)

Work Location:

In person