Results for Network Security Administrator Jobs in Dallas, TX

Add your latest resume to match with open positions.

Network Engineer (Fortinet & F5 LTM)

Fort Worth, TX
onsite
Temporary / Contract
53 - 58 USD / Hourly
We are seeking a Network Engineer with strong expertise in managing and supporting enterprise network infrastructure, with a primary focus on Fortinet FortiGate Firewalls and F5 Local Traffic Manager (LTM) load balancing solutions. This individual will be responsible for the design, implementation, administration, and optimization of network security, traffic management, and high-availability services across multiple environments. The ideal candidate will have experience troubleshooting complex network issues, implementing security best practices, and ensuring reliable application delivery in both on-premises and hybrid cloud environments. <ul><li>Administer, configure, and support Fortinet FortiGate Firewalls, including policies, NAT, VPNs, routing, HA configurations, and security services.</li><li>Manage and maintain F5 BIG-IP LTM environments, including virtual servers, pools, monitors, iRules, SSL certificates, and traffic policies.</li><li>Design and implement secure network solutions to support business applications and critical infrastructure.</li><li>Monitor network performance and proactively identify and resolve connectivity, latency, and security-related issues.</li><li>Configure and maintain site-to-site and remote access VPN connectivity.</li><li>Perform firewall rule reviews, policy optimization, and security hardening activities.</li></ul>
2026-10-08T00:00:00Z

Systems Administrator

Fort Worth, TX
onsite
Permanent / Full Time
75000 - 82000 USD / Yearly
We are looking for a Systems Administrator to support daily technology operations for a transport-focused environment in Fort Worth, Texas. This role is responsible for keeping user access, endpoint systems, and core infrastructure running smoothly while delivering responsive support to employees across the site. The ideal candidate brings a practical, hands-on approach to troubleshooting, communicates clearly with end users, and works effectively with broader IT teams to resolve complex issues. Responsibilities: • Manage the creation, modification, and removal of user accounts and access rights across a range of business applications. • Deploy, configure, relocate, and update computer hardware and software to meet operational needs. • Diagnose and resolve technical issues affecting desktops, peripherals, applications, and other end-user systems. • Maintain accurate incident records, document work performed in detail, and track time consistently within support tickets. • Escalate unresolved or higher-impact issues to appropriate internal teams and follow through to completion. • Partner with employees and corporate IT groups to address advanced technical concerns and ensure effective communication throughout the support process. • Perform routine system upkeep, including software installations, patching activities, equipment replacement planning, and secure device retirement. • Support identity and permissions administration, backup-related activities, disaster recovery testing, and assigned project-based tasks. • Provide basic telecom, network, and connectivity troubleshooting to help maintain reliable site operations.
2026-10-07T00:00:00Z

Cyber Security Engineer

Plano, TX
onsite
Temporary to Hire
51.4615 - 59.587 USD / Hourly
We are looking for a Cyber Security Engineer to support and strengthen enterprise security operations in Plano, Texas. This permanent opportunity is ideal for a hands-on security specialist who can blend engineering expertise with incident response, data protection, and infrastructure security. The role will contribute to the design of resilient security controls, advance detection and response capabilities, and partner across teams to improve overall cyber defense maturity. Responsibilities: • Build, deploy, and refine enterprise security technologies that protect networks, endpoints, cloud resources, and sensitive information. • Drive technical ownership of core security platforms such as secure access solutions, firewalls, SIEM tools, endpoint security, and related defensive controls. • Establish and maintain security architecture guidelines, technical standards, and hardened configuration practices aligned with Zero Trust principles. • Lead complex cyber investigations, coordinate response activities, perform threat hunting, and determine root causes for security events. • Create and enhance detection content, correlation logic, and automated workflows to improve visibility and speed of response across security systems. • Direct data protection and insider risk initiatives, including policy development and tuning across Microsoft 365, endpoints, and cloud environments. • Review network security designs and configuration changes, offering expert guidance on segmentation, VPNs, secure access, and broader infrastructure protection strategies. • Oversee vulnerability assessment efforts, prioritize remediation plans, support audit readiness, and help address compliance obligations across applicable frameworks. • Mentor less experienced team members while communicating technical risks, recommendations, and project updates to business and technology stakeholders. • Maintain clear documentation such as standards, procedures, runbooks, and architecture artifacts while identifying opportunities to improve automation and operational efficiency.
2026-09-30T00:00:00Z

Systems Engineer

Irving, TX
onsite
Temporary / Contract
60 - 68 USD / Hourly
This distribution and manufacturing organization is seeking a Systems Engineer to join a growing technology team supporting ERP platform enhancements, cybersecurity initiatives, systems integrations, and enterprise applications. This role will play a key part in an upcoming ERP release, helping drive development, testing, user enablement, and ongoing system improvements across the business. POSITION TITLE: Systems EngineerLOCATION: Irving, TX (Hybrid, 3 days onsite)SALARY: $130,000 - $140,000 RESPONSIBILITIES<ul><li>Support and enhance a proprietary ERP environment, including development, testing, troubleshooting, and user training activities related to upcoming system releases.</li><li>Design, build, and maintain integrations between ERP, enterprise applications, security platforms, and third-party business systems.</li><li>Administer and support Microsoft 365 technologies including Teams, Outlook, OneDrive, SharePoint, Defender, Entra ID, Enterprise Applications, and related services.</li><li>Develop and maintain automation, scripting, and API-based solutions utilizing REST APIs, Microsoft Graph API, Python, and other programming tools.</li><li>Partner with infrastructure and cybersecurity teams to strengthen system security, identity management, endpoint protection, and network integrations.</li><li>Participate in application lifecycle activities including requirements gathering, program flow analysis, SDLC processes, testing, deployment, and production support.</li><li>Provide rotational on-call support approximately one weekend per month and assist with issue resolution across multiple technology domains.</li></ul>
2026-10-09T00:00:00Z

4 results for Network Security Administrator in Dallas, TX