Cybersecurity System Administrator

-; Monterrey; Presencial; MXN 540,000 - 811,000; Jornada completa

Descripción de la vacante

A leading energy solutions company in Monterrey is seeking a Cybersecurity System Administrator to manage and administer key security applications. The successful candidate will work with security tools and collaborate with various teams to ensure cybersecurity across IT and operational environments. Strong skills in PowerShell and Python scripting, as well as experience with tools like SentinelOne and Zscaler, are crucial for this role. The position offers an opportunity to be a part of an innovative team focused on enhancing cybersecurity practices.

Formación

• Strong communication skills in English.
• Self-directed and able to manage multiple priorities.
• Experience with security tools such as SentinelOne, Zscaler, and Intune.
• Ability to script in PowerShell and Python.
• Solid understanding of cybersecurity principles.

Responsabilidades

• Administer and tune security tools across the organization.
• Manage and recommend software changes to meet security needs.
• Investigate and resolve security alerts and configurations.
• Automate routine tasks with scripts.
• Develop and maintain technical documentation.

Conocimientos

Strong communications and interpersonal skills

Cybersecurity concepts understanding

PowerShell scripting

Python scripting

Hands-on experience with security tools

Educación

Relevant certifications (e.g. CompTIA Security+)

Herramientas

SentinelOne

Zscaler

Intune

DLP

Descripción del empleo

JOB DESCRIPTION

About The Role

We are seeking a Cybersecurity System Administrator who will serve as a key contributor to NOV's cybersecurity operations. This role is responsible for administering core security applications, supporting secure system configurations, enforcing policy controls, and helping identify and remediate threats across our global hybrid environment.

You will collaborate with infrastructure, endpoint, and cloud teams to drive consistent protection across IT and OT environments. The ideal candidate combines hands‑on technical skill with disciplined execution, strong documentation habits, and a focus on continuous improvement. Come and join a great team who are driving tomorrow's cybersecurity.

What You'll Do

• Security Tool Administration: Operate, maintain, and tune enterprise security tools such as endpoint detection and response (EDR), vulnerability management platforms, encryption systems, and policy enforcement agents
• Configuration Management: Review, recommend, and manage software component changes and system configurations to meet security requirements
• Vulnerability Remediation: Stay informed of security features and vulnerabilities in supported products and apply necessary updates or protections
• Issue Resolution: Investigate and resolve security misconfigurations or alerts in the security stack
• Automation & Scripting: Use scripting (e.g., PowerShell, Python) to automate routine tasks such as policy deployments, log parsing, or report generation
• Documentation: Develop and maintain technical documentation, configuration guides, standard operating procedures, and deployment runbooks
• Deployment Projects: Assist in deploying and testing new security solutions, including pilot evaluations, change control coordination, and phased rollout
• Security Reporting: Deliver metrics on tool coverage, policy compliance, and remediation status. Identify trends that inform programmatic improvements
• Cross-Team Collaboration: Work closely with IT, OT, and cloud architects to ensure security controls are embedded into new solutions and business initiatives
• Technical Support: Provide technical support to customers for supported systems
• Other duties as assigned by organization leadership

What You Bring

• Possess strong communications and interpersonal skills in English
• Self‑directed, organized, and able to manage multiple priorities in a large enterprise environment
• Hands‑on experience with one or more of the following: SentinelOne, Zscaler, Intune, DLP or similar products
• Ability to write and maintain scripts in PowerShell, Python, or similar
• Solid understanding of cybersecurity concepts including least privilege, segmentation, malware defense, encryption, and logging
• Comfortable interpreting security policies and translating them into technical enforcement

Preferred Qualifications

• Certifications: Okta, CompTIA Security+, or similar
• Understanding of networking concepts, protocols, and security methodologies
• Familiarity with compliance frameworks such as NIST CSF, ISO 27001, CIS Controls, or SOX
• Experience working in Active Directory and/or Azure AD environments