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18 results for Security Architect in Houston, TX

Network Security Engineer
  • Houston, TX
  • onsite
  • Contract / Temporary to Hire
  • 55.00 - 65.00 USD / Hourly
  • Key Responsibilities Design, implement, and manage network security solutions aligned with compliance frameworks (e.g., NIST, ISO 27001, PCI-DSS, HIPAA). Configure, deploy, and maintain firewalls (Cisco ASA, Palo Alto, Fortinet, or similar). Manage and optimize Cisco network devices (routers, switches, VPNs) for secure connectivity. Utilize Splunk for log analysis, threat detection, and SIEM monitoring. Perform packet analysis and troubleshooting using Wireshark. Implement and manage endpoint security solutions such as Microsoft Defender and SentinelOne. Conduct risk assessments, vulnerability scans, and remediation activities. Develop and enforce security policies, standards, and governance controls. Monitor network traffic and respond to security incidents promptly. Maintain documentation for security architecture, configurations, and compliance audits.
  • 2025-12-31T14:49:00Z
Data/Information Architect
  • Houston, TX
  • onsite
  • Contract / Temporary to Hire
  • 66.50 - 77.00 USD / Hourly
  • We are looking for an experienced Data/Information Architect to join our team in Houston, Texas. In this Contract to permanent employment position, you will play a pivotal role in designing, organizing, and optimizing data systems from the ground up to support business objectives. This role requires hands-on expertise in modern data technologies and methodologies to ensure the delivery of high-quality, scalable solutions.<br><br>Responsibilities:<br>• Develop and implement strategies for cleaning, organizing, and optimizing data across the organization.<br>• Design and build data platforms and architectures to meet business requirements and support analytics.<br>• Analyze existing data systems and recommend improvements for efficiency and scalability.<br>• Utilize AI tools and techniques to enhance data processes and commodity training.<br>• Collaborate with stakeholders to assess company needs and define data-related approaches.<br>• Work with cloud technologies and AWS to establish robust data solutions.<br>• Apply advanced knowledge of Spark to manage and process large-scale data efficiently.<br>• Partner with internal teams to ensure alignment with Agile Scrum methodologies.<br>• Create comprehensive documentation, including Business Requirement Documents, to guide data initiatives.<br>• Ensure data governance and security through the use of MDM technologies and best practices.
  • 2025-12-29T16:03:59Z
Oracle Exadata DBA
  • Houston, TX
  • onsite
  • Temporary
  • - USD / Hourly
  • <p>We are seeking a highly accomplished Senior Oracle Exadata Database Administrator (DBA) with deep expertise in Oracle Cloud Infrastructure (OCI) and advanced security engineering. In this mission‑critical role, you will architect, secure, optimize, and operate our Oracle Exadata platforms across both on‑premises and cloud environments. You will ensure exceptional availability, performance, and resilience for enterprise databases while implementing rigorous security controls, compliance frameworks, and operational best practices across all Exadata and OCI deployments.</p><p><br></p><p><strong>Key Responsibilities</strong></p><ul><li>Administer and secure Exadata platforms across storage cells, compute nodes, and InfiniBand networks in both on‑premises and OCI environments.</li><li>Design and implement advanced security controls including encryption, privileged access management, auditing, and vulnerability remediation for Exadata and Oracle Cloud databases.</li><li>Lead installation, configuration, patching, and upgrades of Exadata software, firmware, and OCI resources with a focus on uptime, performance, and hardened security.</li><li>Monitor and tune database performance using proactive diagnostics, capacity planning, and optimization techniques to maintain peak operational efficiency.</li><li>Develop and manage enterprise‑grade backup and recovery strategies leveraging RMAN, Oracle Data Guard, and OCI‑native tools to ensure business continuity and disaster recovery readiness.</li></ul><p><br></p>
  • 2025-12-31T14:49:00Z
Sr. Network Engineer
  • Houston, TX
  • onsite
  • Contract / Temporary to Hire
  • 55.00 - 65.00 USD / Hourly
  • <p><strong>Key Responsibilities</strong></p><ul><li>Architect, implement, and optimize LAN/WAN, data center, and cloud/hybrid networking (AWS/Azure/GCP).</li><li>Lead configuration and lifecycle management for Cisco (Catalyst/Nexus), SD‑WAN (Cisco Viptela/Meraki/Fortinet), and wireless (Cisco/Meraki/Aruba).</li><li>Design and enforce network security: firewalls (Cisco ASA/FTD, Palo Alto, Fortinet), VPNs (IPsec/SSL), segmentation (VLAN/VRF), NAC (ISE/ClearPass).</li><li>Own network observability: implement and tune monitoring/alerting (SolarWinds, ThousandEyes, NetFlow, SNMP), packet analysis (Wireshark), and log pipelines (Syslog/SIEM).</li><li>Drive automation & IaC for network operations using Python, Ansible, Git, and templates/Golden Configs; integrate with CI/CD where applicable.</li><li>Ensure governance/compliance (e.g., NIST, ISO 27001, PCI, HIPAA) with documentation, standards, and change control (ITIL).</li><li>Troubleshoot complex, multi-domain incidents; perform root cause analysis and create permanent fixes.</li><li>Mentor junior engineers; contribute to runbooks, design docs, and architecture diagrams.</li><li>Partner with InfoSec, Cloud, and Apps teams on zero‑trust, SASE, ZTA, and secure connectivity patterns.</li></ul><p><br></p>
  • 2025-12-31T15:23:38Z
Senior Network Engineer
  • Houston, TX
  • onsite
  • Permanent
  • 140000.00 - 175000.00 USD / Yearly
  • <p>We’re seeking a highly skilled <strong>Senior Network Engineer</strong> with deep expertise in <strong>wireless technologies</strong>, <strong>F5 load balancing</strong>, and <strong>Palo Alto firewalls</strong> to join our global infrastructure team. This role is ideal for a technical leader who thrives in complex environments, understands the business impact of network performance, and is passionate about securing and optimizing enterprise networks.</p><p>You’ll be responsible for designing, implementing, and maintaining high-performance wireless networks, managing advanced F5 configurations, and enforcing robust security policies through Palo Alto platforms—all while collaborating with global IT teams to support mission-critical systems.</p><p>&#128295; Key Responsibilities</p><ul><li>Design, deploy, and maintain enterprise-grade <strong>wireless networks</strong> using <strong>Aruba</strong> and <strong>Cisco Meraki</strong>, ensuring coverage, performance, and security</li><li>Manage and optimize <strong>F5 LTM/GTM</strong> environments, including traffic steering, SSL offloading, and application delivery</li><li>Implement and maintain <strong>Palo Alto firewalls</strong>, including policy creation, threat prevention, and access control</li><li>Monitor and troubleshoot network performance using tools like <strong>SolarWinds</strong>, <strong>ThousandEyes</strong>, and <strong>F5 Analytics</strong></li><li>Ensure secure authentication via <strong>Cisco ISE</strong> (802.1x, RADIUS, TACACS) across wired and wireless infrastructure</li><li>Maintain proxy solutions such as <strong>Zscaler</strong>, <strong>McAfee</strong>, and <strong>Palo Alto GlobalProtect</strong></li><li>Collaborate with global IT teams to address security concerns and implement new systems</li><li>Document network architecture, cabling layouts, and operational procedures</li><li>Participate in on-call rotation and support a <strong>Follow the Sun</strong> operational model</li><li>Support telephony systems including <strong>Audiocodes SBC</strong> and <strong>Microsoft Teams</strong> integration</li><li>Ensure compliance with regulatory and security standards across network infrastructure</li></ul><p><br></p>
  • 2026-01-10T18:44:24Z
Penetration Tester
  • Sugar Land, TX
  • onsite
  • Permanent
  • 110000.00 - 130000.00 USD / Yearly
  • We are looking for an experienced Penetration Tester to join our cybersecurity team and enhance the security of our Windows-based systems. The ideal candidate will play a key role in identifying vulnerabilities, conducting simulated attacks, and implementing strategies to safeguard critical infrastructure, including servers, endpoints, and Active Directory environments. This position offers an opportunity to apply advanced penetration testing techniques and collaborate with IT teams to strengthen security measures.<br><br>Responsibilities:<br>• Perform penetration tests and security evaluations of Windows environments, including Active Directory, servers, endpoints, and domain controllers.<br>• Execute red team scenarios to simulate real-world attack tactics, techniques, and procedures.<br>• Identify and exploit vulnerabilities within Windows systems, applications, and networks, documenting findings comprehensively.<br>• Develop and utilize custom scripts and tools using programming languages such as PowerShell, Python, C++, or C#.<br>• Work closely with IT teams to address security gaps and implement mitigation strategies.<br>• Prepare detailed reports outlining vulnerabilities and actionable recommendations to fortify Windows infrastructure.<br>• Stay updated on emerging threats, attack vectors, and techniques targeting Windows-based systems.<br>• Evaluate Group Policy Objects and other system configurations to ensure adherence to security standards.<br>• Support the improvement of cybersecurity practices by sharing insights and conducting knowledge transfer sessions.
  • 2026-01-10T18:44:24Z
Security Network Engineer
  • Houston, TX
  • onsite
  • Temporary
  • 60.00 - 70.00 USD / Hourly
  • <p>We are seeking a skilled Security Network Engineer to design, implement, and maintain secure network infrastructures. The ideal candidate will have strong networking fundamentals, hands-on security experience, and a proactive mindset for identifying and mitigating threats.</p><ul><li>Design, implement, and maintain secure network architectures</li><li>Configure and manage firewalls, VPNs, IDS/IPS, and network segmentation</li><li>Monitor network traffic and investigate security incidents</li><li>Perform vulnerability assessments and remediation activities</li><li>Ensure compliance with security policies and industry standards</li><li>Collaborate with IT, security, and engineering teams to improve security posture</li><li>Document network configurations, procedures, and incident reports</li><li>Participate in security audits and disaster recovery planning</li></ul>
  • 2025-12-31T15:28:53Z
Security Analyst
  • Humble, TX
  • onsite
  • Temporary
  • 40.00 - 55.00 USD / Hourly
  • <p>We are seeking a proactive Security Analyst to help protect organizational systems, networks, and information assets. The ideal candidate will monitor security controls, analyze risks and incidents, and support ongoing security operations and compliance efforts.</p><ul><li>Monitor and analyze security alerts, logs, and events</li><li>Investigate security incidents and assist with response and remediation</li><li>Conduct vulnerability assessments and risk analysis</li><li>Support implementation and maintenance of security policies and controls</li><li>Assist with security audits, assessments, and compliance activities</li><li>Analyze trends and provide recommendations to improve security posture</li><li>Maintain documentation related to incidents, controls, and procedures</li><li>Collaborate with IT and business teams to address security risks</li></ul>
  • 2025-12-31T15:33:57Z
Senior Network Engineer
  • Houston, TX
  • onsite
  • Permanent
  • 120000.00 - 150000.00 USD / Yearly
  • We are looking for a highly skilled Senior Network Engineer to join our team in Houston, Texas. This role requires a detail-oriented individual who can design, implement, and manage complex network systems to ensure optimal performance and security. The ideal candidate will have a strong background in Cisco technologies and a proven ability to handle advanced networking protocols and equipment.<br><br>Responsibilities:<br>• Develop, configure, and maintain network infrastructure, including routers, firewalls, and switches.<br>• Ensure the security and reliability of network systems by implementing best practices and advanced protocols.<br>• Monitor and troubleshoot network performance issues to quickly identify and resolve problems.<br>• Collaborate with cross-functional teams to design and deploy scalable network solutions.<br>• Manage and optimize configurations for Cisco routers and ASA firewalls.<br>• Implement and support Palo Alto firewalls to enhance system protection.<br>• Utilize Border Gateway Protocol (BGP) to manage efficient routing and connectivity.<br>• Conduct regular assessments of network systems to ensure compliance with industry standards.<br>• Provide technical guidance and mentorship to entry-level team members.<br>• Stay updated on emerging networking technologies to recommend and adopt improvements.
  • 2026-01-05T15:38:52Z
F5 Network Engineer
  • Houston, TX
  • onsite
  • Temporary
  • 60.00 - 70.00 USD / Hourly
  • <p>We are seeking an experienced F5 Network Engineer to design, deploy, and maintain F5 application delivery solutions. The ideal candidate will have hands-on experience with F5 BIG-IP products, load balancing, and application security, ensuring high availability and optimal performance of critical applications.</p><ul><li>Design, configure, and maintain F5 BIG-IP solutions (LTM, GTM, APM, ASM, and DNS modules)</li><li>Implement load balancing, traffic management, and application optimization strategies</li><li>Monitor, troubleshoot, and resolve network and application delivery issues</li><li>Collaborate with network, application, and security teams to ensure optimal system performance</li><li>Manage SSL certificates, security policies, and access controls</li><li>Document configurations, procedures, and change management records</li><li>Assist in capacity planning, system upgrades, and disaster recovery planning</li><li>Provide Tier 2/3 support for network and application delivery issues</li></ul>
  • 2025-12-31T15:39:10Z
Data Engineer
  • Houston, TX
  • onsite
  • Temporary
  • - USD / Hourly
  • <p><strong>Our client, a leading oil and gas company, is embarking on a key cloud modernization initiative and seeks a Data Engineer experienced with Databricks in AWS environments. This is an opportunity to shape the data landscape for an established energy leader</strong></p><p><br></p><p><strong>Key Responsibilities:</strong></p><ul><li>Lead the implementation and integration of Databricks within AWS-based infrastructure</li><li>Design, build, and optimize scalable data pipelines for large, multi-source datasets</li><li>Collaborate with data architects, business analysts, and project managers to deliver analytics solutions aligned with business goals</li><li>Develop and maintain ETL processes, ensuring data quality and reliability across systems</li><li>Automate data workflows and enable advanced analytics for operations, production, and business intelligence</li><li>Support data governance best practices, security, and compliance within a highly regulated sector</li><li>Document solutions and provide guidance on infrastructure and platform best practices</li></ul><p><br></p>
  • 2025-12-31T14:24:01Z
Systems Administrator
  • Houston, TX
  • onsite
  • Temporary
  • 50.00 - 60.00 USD / Hourly
  • <p>We are seeking a reliable and detail-oriented Systems Administrator to manage, maintain, and support our IT infrastructure. The ideal candidate will ensure system availability, performance, and security while supporting day-to-day IT operations.</p><ul><li>Install, configure, and maintain servers and operating systems (Windows, Linux)</li><li>Manage user accounts, permissions, and access controls</li><li>Monitor system performance, availability, and backups</li><li>Perform system updates, patching, and troubleshooting</li><li>Support virtualization and cloud environments</li><li>Implement and maintain security best practices and system hardening</li><li>Document system configurations, procedures, and changes</li><li>Provide Tier 2/3 support for system-related issues</li></ul>
  • 2025-12-31T15:33:57Z
Systems Engineer
  • Woodlands, TX
  • onsite
  • Temporary
  • 55.00 - 65.00 USD / Hourly
  • <p>We are seeking a skilled Systems Engineer to design, implement, and maintain robust IT systems that support business operations. The ideal candidate will have strong technical expertise, problem-solving skills, and experience with both hardware and software systems.</p><ul><li>Design, implement, and maintain server, storage, and network infrastructure</li><li>Install, configure, and optimize operating systems (Windows, Linux) and applications</li><li>Monitor system performance, troubleshoot issues, and ensure high availability</li><li>Collaborate with IT teams to support virtualization and cloud environments</li><li>Implement security best practices and ensure systems are compliant with policies</li><li>Develop automation scripts and tools to improve efficiency</li><li>Document system configurations, architecture, and operational procedures</li><li>Provide technical guidance and support to IT staff and end users</li></ul>
  • 2025-12-31T15:39:10Z
Junior Systems Security Administrator
  • Sugar Land, TX
  • onsite
  • Permanent
  • 80000.00 - 95000.00 USD / Yearly
  • <p>We are looking for a dedicated Systems Security Administrator to join our team in Houston Texas. This role focuses on managing and enhancing Windows-based IT environments while supporting security operations to ensure the integrity and protection of organizational systems. The successful candidate will play a key role in maintaining system reliability and implementing security measures that align with best practices.</p><p><br></p><p>Responsibilities:</p><p>• Administer and maintain Windows Server environments, including Active Directory and file services, to ensure optimal performance.</p><p>• Configure and manage Group Policy Objects (GPOs) to enforce system settings and user access policies.</p><p>• Conduct regular system monitoring, troubleshooting, and performance optimization to maintain service availability.</p><p>• Perform patch management and updates across servers and endpoints to address vulnerabilities and ensure compliance.</p><p>• Develop and maintain detailed documentation for system configurations, procedures, and changes.</p><p>• Support the deployment and enforcement of security controls across IT infrastructure.</p><p>• Assist in managing Data Loss Prevention (DLP) tools and policies to safeguard sensitive information.</p><p>• Collaborate with security teams to address vulnerabilities, apply security patches, and enhance system hardening.</p><p>• Participate in audits and compliance initiatives, ensuring adherence to access control and security frameworks.</p><p>• Contribute to the implementation of cybersecurity measures and related operational improvements.</p>
  • 2026-01-10T18:44:24Z
CyberSecurity Engineer
  • Woodlands, TX
  • onsite
  • Temporary
  • 55.00 - 65.00 USD / Hourly
  • <p>We are looking for a highly motivated Cybersecurity Engineer to help protect our systems, networks, and data from cyber threats. This role focuses on designing, implementing, and maintaining security controls while continuously improving our overall security posture.</p><ul><li>Design, deploy, and manage security solutions across systems and networks</li><li>Monitor, detect, and respond to security incidents and alerts</li><li>Conduct vulnerability assessments, risk analysis, and remediation efforts</li><li>Implement and maintain security tools such as SIEM, EDR, IAM, and DLP</li><li>Collaborate with IT and engineering teams to integrate security best practices</li><li>Develop and maintain security policies, standards, and procedures</li><li>Perform security testing, audits, and compliance assessments</li><li>Stay current on emerging threats, vulnerabilities, and security technologies</li></ul>
  • 2025-12-31T15:28:53Z
Systems Administrator - EcoSys Platform
  • Houston, TX
  • onsite
  • Permanent
  • 130000.00 - 150000.00 USD / Yearly
  • We are looking for a highly skilled Systems Administrator to oversee and enhance critical project cost systems for large-scale export initiatives. This position involves close collaboration with the Project Controls team to ensure optimal configuration, administration, and performance of EcoSys and associated applications. The ideal candidate will play a key role in maintaining system integrity, supporting end-users, and driving efficient project cost management.<br><br>Responsibilities:<br>• Configure and administer EcoSys modules, workflows, and settings within production and non-production environments.<br>• Manage user provisioning and permissions based on least-privilege principles, ensuring secure access aligned with contracts and funding structures.<br>• Convert business requirements into effective technical solutions and functional system enhancements.<br>• Monitor system performance, troubleshoot issues, and collaborate with vendors to resolve technical challenges.<br>• Implement system upgrades while adhering to established IT change management protocols.<br>• Develop and maintain custom reports, dashboards, and data visualizations to support business operations.<br>• Integrate EcoSys with other organizational platforms, maintaining smooth data flow and functionality.<br>• Support customized configurations within EcoSys to meet specific contract module requirements.<br>• Conduct advanced data analysis to assist project cost control teams and optimize system usage.<br>• Manage and update master data, including organizational structures, contract lines, and security groups.
  • 2026-01-10T18:44:24Z
Cybersecurity Analyst
  • Stafford, TX
  • onsite
  • Temporary
  • 45.00 - 55.00 USD / Hourly
  • <p>We are seeking a detail-oriented Cybersecurity Analyst to monitor, analyze, and respond to security threats and incidents. This role plays a critical part in identifying vulnerabilities, investigating alerts, and helping protect organizational systems and data.</p><ul><li>Monitor security alerts from SIEM, EDR, and other security tools</li><li>Analyze logs and events to identify potential threats or incidents</li><li>Investigate and respond to security incidents following established procedures</li><li>Perform vulnerability scanning and assist with remediation efforts</li><li>Document incidents, findings, and response actions</li><li>Assist in threat intelligence analysis and reporting</li><li>Support security audits, risk assessments, and compliance initiatives</li><li>Collaborate with IT and security teams to improve detection and response capabilities</li></ul>
  • 2025-12-31T15:33:57Z
Network Engineer
  • Houston, TX
  • onsite
  • Contract / Temporary to Hire
  • 45.00 - 55.00 USD / Hourly
  • <p><strong>Key Responsibilities</strong></p><ul><li>Support deployment and configuration of switches, routers, APs, and firewalls across branch and data center networks.</li><li>Monitor network health using NMS tools (e.g., SolarWinds, PRTG) and respond to alerts, tickets, and incidents.</li><li>Perform basic troubleshooting (Layer 1–4), VLAN and ACL updates, and patching/firmware tasks.</li><li>Assist with Wireshark packet captures, Syslog analysis, and SIEM investigations in collaboration with security teams.</li><li>Maintain documentation: network diagrams, IPAM, inventory, change records, and runbooks.</li><li>Participate in change management (ITIL) and follow configuration standards and playbooks.</li><li>Learn and contribute to automation (Ansible playbooks, simple Python scripts) and template-based configuration.</li></ul><p><br></p>
  • 2025-12-31T15:23:38Z