7 Results for Security Architect Jobs in Houston, TX

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Systems Security Administrator

Houston, TX
onsite
Temporary / Contract
57 - 66 USD / Hourly
We are looking for a Systems Security Administrator to support and strengthen the security posture of our transport operations in Houston, Texas. This Long-term Contract position is ideal for someone who is detail oriented and can monitor threats, respond to incidents, and maintain security platforms across a Microsoft-centered environment. The role requires a hands-on approach to endpoint protection, vulnerability management, and defensive monitoring, along with the ability to collaborate effectively with technical teams. Success in this position will come from combining sound security judgment with clear communication and dependable operational support. Responsibilities: • Monitor Microsoft security technologies, including Office 365 E5 security capabilities and endpoint protection tools, to identify, assess, and resolve cyber threats. • Respond to security events with urgency by investigating alerts, containing risks, and supporting remediation efforts across affected systems. • Administer and optimize vulnerability management platforms such as Rapid7 or Tenable, including tuning scans and helping drive effective patching activities. • Review intrusion detection and prevention alerts, examine suspicious behavior, and conduct proactive threat-hunting activities to uncover potential risks. • Maintain and support security applications through installation, configuration, updates, and ongoing system upkeep. • Help develop, apply, and reinforce security policies and technical controls across the environment. • Work closely with internal teams to address security issues tied to patch cycles, system hardening, and operational challenges. • Provide support during after-hours or weekend security incidents when timely response is required. • Contribute to DevSecOps-related security efforts where applicable, including collaboration with development and toolchain environments such as GitHub. • Assist in strengthening security architecture by applying knowledge of Windows systems, networking, firewalls, and defensive best practices.
2026-10-07T00:00:00Z

Systems Engineer

Rosenberg, TX
onsite
Temporary to Hire
47.956 - 55.528 USD / Hourly
We are looking for a Systems Engineer to support and strengthen core infrastructure operations in Texas. This contract position with potential for a permanent role is ideal for a hands-on, detail-oriented individual who can manage Microsoft-based environments, maintain reliable system performance, and contribute to day-to-day technical stability. The role will work across server administration, identity management, messaging systems, and virtualized access technologies while helping ensure a secure and efficient IT environment. Responsibilities: • Administer and maintain Windows Server environments to support reliable performance, availability, and security across business systems. • Manage Active Directory and Azure Active Directory, including user access, group policies, identity controls, and directory health. • Support Citrix-based platforms to provide stable remote access and virtual application delivery for end users. • Oversee Microsoft Exchange administration, including mailbox management, system functionality, and issue resolution. • Monitor infrastructure components, troubleshoot system-related problems, and implement corrective actions to minimize downtime. • Partner with internal teams and contract technical resources to maintain continuity of operations and address infrastructure priorities. • Document configurations, operational procedures, and support activities to improve consistency and knowledge sharing.
2026-10-06T00:00:00Z

Software Engineer

Houston, TX
onsite
Permanent / Full Time
100000 - 130000 USD / Yearly
We are looking for an experienced Software Engineer to join a team in Houston, Texas, building and enhancing business-critical applications with a strong focus on Microsoft Dynamics 365 and modern web technologies. This role is well suited for someone who enjoys designing scalable solutions, working across application layers, and translating operational needs into reliable software. The ideal candidate brings deep hands-on development experience, strong problem-solving ability, and a solid foundation in software engineering principles. Responsibilities: • Design, build, and maintain software solutions using C#, .NET, and ASP.NET to support core business and field service operations. • Develop and customize Microsoft Dynamics 365 capabilities to align platform functionality with operational and user requirements. • Create and optimize SQL queries, data models, and backend processes to ensure strong application performance and data integrity. • Build and support ETL workflows that move and transform data between systems for reporting, integration, and business processes. • Collaborate with cross-functional stakeholders to gather technical requirements, define solution approaches, and deliver high-quality enhancements. • Develop responsive user-facing features with JavaScript and React.js to improve usability and streamline business workflows. • Troubleshoot application defects, identify root causes, and implement durable fixes across integrated systems. • Contribute to software architecture, coding standards, testing practices, and continuous improvement efforts throughout the development lifecycle.
2026-10-07T00:00:00Z

Penetration Tester

Sugar Land, TX
onsite
Permanent / Full Time
110000 - 130000 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. Responsibilities: • Perform penetration tests and security evaluations of Windows environments, including Active Directory, servers, endpoints, and domain controllers. • Execute red team scenarios to simulate real-world attack tactics, techniques, and procedures. • Identify and exploit vulnerabilities within Windows systems, applications, and networks, documenting findings comprehensively. • Develop and utilize custom scripts and tools using programming languages such as PowerShell, Python, C++, or C#. • Work closely with IT teams to address security gaps and implement mitigation strategies. • Prepare detailed reports outlining vulnerabilities and actionable recommendations to fortify Windows infrastructure. • Stay updated on emerging threats, attack vectors, and techniques targeting Windows-based systems. • Evaluate Group Policy Objects and other system configurations to ensure adherence to security standards. • Support the improvement of cybersecurity practices by sharing insights and conducting knowledge transfer sessions.
2026-10-05T00:00:00Z

IAM/Active Directory Architect

Houston, TX
onsite
Temporary / Contract
39.5865 - 45.837 USD / Hourly
We are looking for an IAM/Active Directory Architect to support identity and access management strategy, directory services design, and infrastructure governance for a Contract position based in Houston, Texas. This role will focus on building secure, scalable Active Directory environments while partnering with technical teams to align architecture decisions with operational needs. The ideal candidate brings strong experience across DevOps practices, enterprise storage, server virtualization, and Group Policy management, along with a solid understanding of architecture standards. Responsibilities: • Design and guide Active Directory and IAM architecture to support secure, reliable, and scalable enterprise operations. • Develop and enforce directory services standards, policies, and technical frameworks that align with broader infrastructure architecture goals. • Administer and optimize Group Policy Objects to strengthen security controls, streamline configuration management, and improve user environment consistency. • Collaborate with DevOps, infrastructure, and operations teams to integrate identity services into automated deployment and support workflows. • Evaluate server virtualization and enterprise storage dependencies to ensure directory services perform effectively across complex environments. • Create architectural documentation, implementation guidance, and technical roadmaps for IAM and Active Directory solutions. • Review existing platforms and recommend improvements that enhance resiliency, governance, and operational efficiency. • Provide technical leadership during planning, deployment, and troubleshooting activities related to directory and identity services.
2026-10-07T00:00:00Z

SCADA Engineer

Houston, TX
onsite
Permanent / Full Time
140000 - 170000 USD / Yearly
We are looking for a SCADA Engineer to lead the engineering, performance, and long-term reliability of real-time control systems that support distributed energy and microgrid operations in Houston, Texas. This position blends hands-on technical execution with system-level ownership, giving you the opportunity to shape scalable architectures, strengthen operational visibility, and support critical grid-connected assets. The ideal candidate brings deep experience with SCADA platforms, field integrations, and utility telemetry, along with the ability to guide standards and technical decisions across a growing fleet. Responsibilities: • Lead the design and ongoing improvement of SCADA architecture for distributed generation and microgrid assets, ensuring the environment can support expansion without sacrificing reliability. • Manage the configuration, administration, and optimization of real-time operational systems in partnership with operations, IT, and engineering teams to improve system performance and data accessibility. • Act as the senior technical resource for SCADA platforms and connected control environments, providing design direction, resolving escalated issues, and helping set engineering priorities. • Define and maintain standards for telemetry mapping, tag hierarchy, alarm strategy, and data quality to promote consistency across sites and systems. • Support around-the-clock control center operations by helping maintain stable system availability and responding to complex technical issues affecting monitoring or control functions. • Direct utility and market integrations by designing secure data exchanges and telemetry frameworks that align with grid participation and compliance needs. • Oversee the engineering and commissioning of new site connections, including review of control drawings, point structures, HMI layouts, historian configuration, and controller programming. • Partner with infrastructure and operations teams to strengthen cybersecurity, harden system connectivity, and maintain readiness for high-impact grid events. • Drive automation, tooling, database improvements, and governed deployment practices, including support for upgrades and technology changes within the SCADA environment.
2026-10-05T00:00:00Z

Senior Network Administrator

Pasadena, TX
onsite
Permanent / Full Time
110000 - 125000 USD / Yearly
We are looking for an experienced Senior Network Administrator to support and strengthen the enterprise technology environment in the Houston downtown area. This role leads the reliability, performance, and security of network infrastructure while partnering with internal teams and external vendors to resolve issues and improve long-term operations. The ideal candidate brings deep technical expertise across on-premises and cloud-based platforms, along with a proactive approach to standardization, risk reduction, and continuous improvement. Responsibilities:• Define and uphold enterprise network standards, architecture guidelines, and infrastructure best practices across the organization.• Deploy, configure, and support servers, network hardware, and virtual infrastructure to maintain dependable day-to-day operations.• Investigate outages, connectivity problems, and system alerts, escalating when needed and coordinating with IT teams and service providers to prevent repeat issues.• Provide technical support for IP-connected devices such as printers, scanners, and mobile endpoints to ensure consistent connectivity and usability.• Review network activity for suspicious behavior, identify vulnerabilities, and implement corrective measures to protect systems and data.• Manage records for network equipment, software assets, and licensing to maintain accurate inventory and lifecycle visibility.• Keep network diagrams, monitoring tools, and alerting structures current so device status, location, and incidents can be tracked at all times.• Perform recurring tasks such as vulnerability scans, access reviews, patch scheduling, backup validation, and disaster recovery testing to strengthen operational resilience.• Guide users and stakeholders on new systems, tools, and equipment by delivering practical training and support as needed.
2026-10-05T00:00:00Z

7 results for Security Architect in Houston, TX