10 Results for Systems Security Engineer Jobs in Houston, TX

Add your latest resume to match with open positions.

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

Systems Administrator

Sugar Land, TX
onsite
Permanent / Full Time
120000 - 140000 USD / Yearly
We are seeking a Systems Administrator with experience managing enterprise infrastructure and leading cloud migration initiatives. This role will support on-premises and cloud environments while helping drive modernization efforts across the organization.Responsibilities<ul><li>Administer Windows Server, Active Directory, Citrix, Exchange 2019, Exchange Online, file servers, and remote access solutions.</li><li>Support and maintain hybrid cloud environments.</li><li>Lead infrastructure and cloud migration projects from planning through implementation.</li><li>Develop and maintain disaster recovery and business continuity processes.</li><li>Perform system upgrades, patching, maintenance, and security remediation.</li><li>Monitor system performance, availability, and compliance.</li><li>Coordinate with vendors and internal IT teams to deliver infrastructure projects.</li><li>Provide occasional on-call support.</li></ul>
2026-10-05T00:00:00Z

Level 3 Cybersecurity Analyst

Houston, TX
onsite
Temporary / Contract
64.125 - 74.25 USD / Hourly
We are looking for an experienced Level 3 Cybersecurity Analyst to support and strengthen enterprise security operations in Houston, Texas. This Long-term Contract position is ideal for a detail-oriented candidate who can protect Windows-based environments, administer secure access, and help maintain resilient infrastructure across end-user and server platforms. The role combines hands-on security administration with system oversight, requiring strong judgment, technical depth, and the ability to work across core technologies such as Active Directory, Microsoft Windows Server, Windows 10, Dell platforms, and Citrix environments. Responsibilities: • Oversee security administration activities across enterprise systems, with a focus on protecting Windows server and desktop environments. • Manage identity and access controls within Active Directory, including account provisioning, permissions review, and policy enforcement. • Monitor, maintain, and harden Microsoft Windows Server infrastructure to support secure and reliable business operations. • Support endpoint security for Windows 10 devices by addressing vulnerabilities, applying controls, and coordinating remediation efforts. • Administer and troubleshoot security-related issues across Dell Technologies hardware and associated enterprise platforms. • Maintain secure access and session integrity within Citrix environments, resolving risks that could affect availability or user productivity. • Investigate system security events, analyze operational issues, and implement corrective actions to reduce exposure and improve stability. • Document configurations, security procedures, and administrative activities to support compliance, audit readiness, and operational consistency.
2026-09-23T00:00:00Z

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

Senior Data Engineer

Houston, TX
onsite
Permanent / Full Time
140000 - 160000 USD / Yearly
We are looking for an experienced Senior Data Engineer to help design and enhance scalable data platforms that support critical business operations in Houston, Texas. This role is ideal for someone who enjoys building reliable pipelines, improving data accessibility, and working with modern big data technologies in a service-focused environment. The successful candidate will play a key role in shaping data architecture, enabling analytics, and maintaining high standards for performance, quality, and governance. Responsibilities: • Design, build, and optimize large-scale data pipelines that collect, transform, and deliver data from multiple sources. • Develop robust ETL workflows using Python and Spark to support reporting, analytics, and operational data needs. • Implement and maintain data solutions across distributed processing environments, including Hadoop and Azure Databricks. • Create streaming and batch data integrations using Kafka and related technologies to ensure timely and dependable data movement. • Collaborate with analysts, engineers, and business stakeholders to translate requirements into scalable technical solutions. • Monitor pipeline performance, troubleshoot data issues, and apply improvements that increase reliability and efficiency. • Establish data quality controls, validation processes, and documentation to support governance and long-term maintainability. • Contribute to platform enhancements and technical initiatives, including changes to data infrastructure or internal processing frameworks when needed.
2026-10-01T00:00:00Z

SEC Reporting Analyst

Houston, TX
onsite
Permanent / Full Time
90000 - 110000 USD / Yearly
We are looking for a meticulous SEC Reporting Analyst to support external reporting, technical accounting research, and regulatory compliance for our finance organization in Houston, Texas. This role will play a central part in preparing periodic filings, evaluating complex accounting matters, and partnering with cross-functional teams to ensure accurate and timely financial disclosures. The ideal candidate brings a solid foundation in U.S. GAAP and SEC reporting, along with the ability to communicate accounting conclusions clearly to internal and external stakeholders. Responsibilities: • Oversee the preparation and review of quarterly and annual SEC filings, including Forms 10-Q, 10-K, 8-K, and Section 16 reporting, to support complete and timely submissions. • Contribute to the development and filing of the annual proxy statement, coordinating required financial and governance-related disclosures. • Evaluate newly issued accounting guidance and work with business partners to determine reporting implications and implementation needs. • Investigate complex accounting topics, document technical positions, and discuss conclusions with external auditors to support final treatment. • Prepare clear written analyses that explain significant transactions, financial reporting judgments, and accounting conclusions for management and audit review. • Review acquisition and related transaction documents to identify accounting, valuation, and disclosure considerations. • Manage recurring valuation-related reporting activities and maintain supporting schedules and workpapers for quarterly updates. • Lead the annual goodwill impairment assessment and coordinate supporting analysis for review by key stakeholders. • Partner closely with Accounting, Finance, Legal, and other internal teams to strengthen reporting processes, update controls, and support audit requests and special projects.
2026-09-29T00:00:00Z

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

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

10 results for Systems Security Engineer in Houston, TX