Network Security Specialist
hace 19 horas
About the Role
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 activities, you will be responsible for providing L1/L2/L3 support to network and communication security services.
Key Responsibilities
- Assist in deploying policies within the IT/OT framework.
- Participate in the delivery activities related to IT/OT convergence projects.
- Implement "bridge" firewalls and network segments as per the IT/OT Holcim Security Standard.
- Keep industrial firewalls hardened and configured with the right level of automation and housekeeping.
- Provide periodic support to cement plant managers or local internal control teams on information sharing to fulfill Minimum Control Standards in the OT environment.
- Create segmentation inside the OT networks, ensuring the availability of the automation network.
- Monitor IT/OT networks for security threats or unauthorized users.
- Be a key stakeholder to security projects in the scope of the department.
- Provide technical support to operational issues for both network and communication services.
- Automate the environment to proactively improve the delivery of security services.
- Deploy monitoring tools and ensure proactive corrections and fast incident resolution.
- Leverage and maintain 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 to 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 the 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 of 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% of time spent traveling internationally, nationally, etc.
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 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.
- Ability to travel within the region for extended periods of time in a row (up to 10% in a year).
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