Network and Communication Security Specialist


The Regional Network & Communication Information Security Specialist function is responsible for the operations that ensure the security of the network and communication services of the EMEA region. He/She has a special focus on the integration of the best practices from IT/Cybersecurity and OT Technologies into the daily operations of the Cement plants.

Under the supervision of the EMEA Network & Communications Supervisor, the EMEA Network & Communications Security Specialist is a key player in the IT/OT convergence project activities, and is responsible for providing L1/L2/L3 support to the network and communication security services.


  • Assist and deploy policies within the IT/OT framework.
  • Actively participate in the delivery activities related to IT/OT convergence projects.
  • Isolate cement plants’ network from the office network, by implementing the so-called “bridge” firewalls and the different network segments as per the IT/OT Holcim Security Standard.
  • Keep industrial firewalls hardened and with the right level of automation and configuration; housekeeping the rulesets ensuring the maximum efficiency.
  • 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.
  • Provide top-notch technical expertise to monitor IT/OT networks for security threats or unauthorized users.
  • Be a key stakeholder to the 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 the security services.
  • Deploy the relevant monitoring tools and have the correct mindset to ensure proactive corrections and fast incident resolution.
  • Leverage and maintain appropriate tools to ensure configuration management and capacity planning.
  • Ensure efficient collaboration with Delivery, Security, EUS, I&O and the rest of the IT Services teams.
  •  Ensure the consistent and up to date technology & 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 that 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.
  • Developing and testing software deployment tools, firewalls and intrusion detection/prevention systems.
  • Creating security documentation for users, assisting in disaster recovery and gathering evidence regarding cybercrimes.
  • Work proactively on root cause analysis, problem solving and standard operating procedures creation.
  • Conducting regular security audits and preparing security status reports.
  • Ensure the Service Level commitments are respected by monitoring the main KPIs.
  • Follow and enforce the 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)

Position Requirements

  • Level of education/qualifications normally required:
    • Graduate degree in Computer Science, Engineering or related discipline with an IT focus
    • A 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.
  • Specific work experience:
    • 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.
  • Technical / functional skills:
    •  Deep understanding of running IT services in regards to technology and processes.
    • Knowledge of existing and emerging hardware and software technologies and IT architectures.
    •  Strong competency in developing efficient and effective solutions to diverse and complex business problems.
    •  Ability to implement IT security policies and governance.
    •  Deep knowledge of Cisco firewall technologies (ASA, Firepower).
    •  Deep knowledge of Network infrastructure (WAN / Internet, LAN / Wireless LAN, Perimeter Security, VPN) and related products, manufacturers and APIs
      •  Cisco
      • Meraki
      •  AWS
      •  Solarwinds
    •  Deep knowledge of proxy and web filtering solutions (Forcepoint specifically, Zscaler, Umbrella...)
    • Knowledge of DNS protocols and manufacturers (Infoblox, Route53, etc.)
    • Good understanding of incident, problem and change management processes and procedures as well as ticketing platforms
    • Proven analytical and troubleshooting abilities
  • Behavioral / managerial competencies:
    • Ability to communicate openly and effectively with IT management, Business Units management, with other IT managers, with staff, and with many diverse constituencies
    • Ability to work decisively under heavy workload considering the criticality, urgency and extended work hours required to ensure the availability of the service in accordance to service level commitments
    • High willingness to drive transformation and service improvement
    • Strong customer / end-user / client service orientation
    • Highly self-motivated and directed
    • Keen attention to detail
    • Capability for problem solving, decision making, sound judgment, assertiveness

Language Skills

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

Mobility requirements (time spent traveling internationally, nationally, etc.): 10%

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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