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Network and Communication Security Specialist

hace 2 meses


Madrid, Madrid, España Holcim Emea Digital Center A tiempo completo
Job Description

**Job Summary:**

We are seeking a highly skilled Network and Communication Security Specialist to join our team at the Holcim Emea Digital Center. As a key member of our IT/OT convergence project team, you will be responsible for ensuring the security and integrity of our network and communication services.

Key Responsibilities:

  • Assist in the development and implementation of IT/OT security policies and procedures.
  • Participate in the delivery of IT/OT convergence projects, ensuring seamless integration of security measures.
  • Isolate cement plant networks from office networks, implementing bridge firewalls and network segments as per the IT/OT Holcim Security Standard.
  • Keep industrial firewalls hardened and configured for maximum efficiency.
  • Provide periodic support to cement plant managers and local internal control teams on information sharing to fulfill Minimum Control Standards in the OT environment.
  • Create segmentation inside OT networks, ensuring availability of automation networks.
  • Provide top-notch technical expertise to monitor IT/OT networks for security threats or unauthorized users.
  • Be a key stakeholder in security projects within the department.
  • Provide technical support for operational issues related to network and communication services.
  • Automate the environment to proactively improve delivery of security services.
  • Deploy relevant monitoring tools and ensure proactive corrections and fast incident resolution.
  • Leverage and maintain appropriate tools for configuration management and capacity planning.
  • Ensure efficient collaboration with Delivery, Security, EUS, I&O, and other IT Services teams.
  • Ensure consistent and up-to-date technology and security skills.
  • Work with external suppliers to source hardware and software solutions for network security issues.
  • Deploy, test, and maintain security systems such as VPNs, firewalls, and email security.
  • Ensure current network system security is suitable for future requirements of Holcim.
  • Identify compromised machines and report on security measures taken to address threats.
  • Analyze security risks and develop response procedures.
  • Develop and test software deployment tools, firewalls, and intrusion detection/prevention systems.
  • Create security documentation for users, assist in disaster recovery, and gather evidence regarding cybercrimes.
  • Work proactively on root cause analysis, problem solving, and standard operating procedures creation.
  • Conduct regular security audits and prepare security status reports.
  • Ensure Service Level commitments are respected by monitoring main KPIs.
  • Follow and enforce security, internal control, and standardization principles defined by the Group and regional teams.
  • Work on efficient transfer of delivered services into the run organization (service introduction).

Requirements:

  • Graduate degree in Computer Science, Engineering, or related discipline with an IT focus.
  • Professional industry certification; experience in networking systems, information technology, or network security is a must.
  • Advanced Professional certification in network domain (CCNA, CCNP, CCSP) AWS Certified Advanced Networking is a plus.
  • Broad technical knowledge of IT with at least 6 years experience.
  • Experience within IT/OT environments.
  • Well-versed in multiple security technologies such as SIEM; Intrusion Detection Systems; Next Generation Firewalls; Deep Packet Inspection; Layer 7 filtering; Web Proxy/Content Filtering; PKI, Radius, Log Analysis, vulnerability management, etc.
  • Broad knowledge of business-impacting security scenarios and viable methods to detect these scenarios.
  • Experience working with 3rd party providers.
  • Experience working on projects.
  • Work experience in a related industry setting (cement, aggregate, ready-mix, or other manufacturing industries) is a plus.
  • Experience working with international teams is a plus.
  • Experience with DevOps tools (Ansible, Terraform) is a plus.

Language Skills:

  • Excellent English (written & spoken).
  • Other languages (Arabic, French, etc.) in the EMEA region are a plus.

Mobility Requirements:

  • 10% travel within the region for extended periods of time.

Other Information:

  • Value inclusion within the day-to-day responsibilities by respecting others' perspectives and convictions, engaging others' opinions, creating a safe environment where people, ideas, and opinions are valued within the team/internal customers and external partners.
  • Respect and take into consideration diversity by valuing different world views, challenges, and cultures that represent all walks of life and all backgrounds.
  • Is sensitive to how people, cultures, and organizations function.
  • Deals comfortably with organizational politics.
  • Steer through the organizational maze to get things done.
  • Demonstrates a positive thinking mindset, consistently identifying highlights.
  • Shows a can-do attitude in good and bad times and acts as a role model in terms of ethics and self-awareness.