Administrateur (trice) systèmes et réseaux

Pulsar•Brossard, QC

About The Position

Pulsar is looking for a Systems and Networks Administrator. We are shaping the mobility of tomorrow. We want everyone to feel that their voice matters, that all cultures are respected, and that diverse perspectives are not only welcome but essential to our success. We treat each other with fairness and dignity, regardless of race, gender, ethnicity, religion, age, sexual orientation, or any other distinguishing aspect. If you enjoy challenges and evolving in a sometimes uncertain context, where expectations are high and there is no shortage of work, read on!

Requirements

Diploma in IT, telecommunications, industrial systems, or equivalent.
3 to 7 years of experience in systems/networks administration, ideally in a critical environment (OT, industrial, railway, energy, transport).
Windows, Windows Server and Linux;
Active Directory (GPO, DNS, etc.);
Virtualization (VMware ESXi, vCenter, Hyper-V).
IP/MPLS, VLAN, QoS, Spanning-Tree, 802.1X;
Firewalls (Fortinet, Sophos, Palo Alto, Cisco);
Network supervision (PRTG, Zabbix).
OPC UA, Modbus TCP;
PIS, CCTV, ISM, access control;
Radio (TETRA).
OT Cybersecurity hardening servers & equipment;
Identity management;
Network segmentation;
Vulnerability analysis;
Knowledge of IEC 62443 standard (asset).
Ability to work in a highly regulated and secure environment;
Rigor, autonomy, sense of priorities;
Proficiency in documentation and multidisciplinary teamwork.

Nice To Haves

Industrial / Railway (major asset)
Knowledge of IEC 62443 standard (asset).

Responsibilities

Manage and maintain servers (Windows, Windows Server, Linux);
Administer Active Directory (domain controllers, GPO, OU, service accounts);
Ensure management of hypervisors (VMware, Hyper-V) and virtual machines;
Supervise backups, restores, and DR/BCP;
Apply security patches and updates according to industrial constraints;
Document architectures, configurations, and procedures;
Operate and maintain IP/MPLS, VLAN, QoS, routing, switching networks;
Configure and maintain firewalls, ACLs, network segmentation. Ensure network supervision (NMS, SNMP);
Diagnose and resolve level 2/3 incidents;
Provide technical support for PIS, CCTV, ISM, access control systems;
Participate in support for OPC, Modbus, and other communications;
Ensure the availability of industrial application servers;
Apply OT security policies (IEC 62443);
Participate in hardening of servers, network equipment, and OT workstations;
Manage certificates, privileged accounts, security logs;
Contribute to audits, risk analyses, and action plans;
Ensure the compliance of access and network flows.