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Open nowPosted 27 days ago

Network & Telephony Administrator

Archirodon Group N.V167 open roles

Where
Peania, Greece
Work mode
Hybrid
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Your applicationOpen nowNetwork & Telephony AdministratorArchirodon Group N.V · Peania, Greece

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The clock on this job

Early applications get read.

12.3% of postings close within 7 days. Measured by our own scanner across the market. Archirodon Group N.V postings stay open a median of 14 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.3%7 days
  4. 19.3%14 days
  5. 35.6%30 days
  6. 57.8%60 days
This job: posted 27 days ago

Archirodon Group N.V median: 14 days open

The posting

Company Description

Archirodon, having earned its reputation as a reliable and respected international contractor for more than a half century in the Engineering, Procurement and Construction (EPC) market, continues to create value to its stakeholders by executing complex EPC projects worldwide, in recognition of its superior standards of performance.

We have an outstanding record in completing major Energy, Marine, Infrastructure and Defense & Security projects around the globe and we pride ourselves on delivering over the years the kind of reliability and trust that the client has the right to expect from a major EPC contractor.

Are you ready to travel, be part of and learn from an international dynamic team? Are you an enthusiastic, self-motivated, resourceful and highly skilled professional, looking for a role to get passionate about? Would you like to be part of a dynamic EPC leader with global presence? We’d like to meet you!

Job Description

You will work with state-of-the art technologies to ensure continued function and administration of all IT network and IP telephony system (Cisco Call Manager) across the Group (including both Country Offices and site operations). You will assess and improve the network hardening, and you will manage security monitor systems (SIEM) with goal to ensure systems’ health security posture.

What you will need to do:

  • Ensure the smooth, secure operation and optimization of the Group’s Network, VoIP and Firewall infrastructure (including routers, switches, firewalls, vlan, cabling, licensing, upgrades, troubleshooting etc.)
  • Act as the primary technical owner for Cisco Call Manager (CUCM), Cisco Collaboration Endpoints, and global IP Telephony deployments across Group offices and sites.
  • Troubleshoot complicated issues of CUCM / Cisco Collaboration Endpoints / ISE / Firewalling, focusing on voice quality, SIP signaling, and call routing performance.
  • Review daily health checks of both network devices and telephony clusters, taking corrective action where necessary.
  • Manage vendors and partners related to networking and telephony, ensuring SLA compliance for critical voice links and SIP trunks.
  • Continually review IT processes and procedures to ensure constant improvements in service performance and make recommendations upwards.
  • Maintain system access, user accounts, network drives, passwords etc.
  • Participate in cross-functional IT projects (e.g., ISE implementation, VoIP infrastructure migrations, or telephony cluster upgrades).

Qualifications

  • BSc degree in IT, Telecommunications, or related study area.
  • Min. five (5) years working experience in network and telephony administration, with a strong focus on enterprise-level IP Telephony architecture within Cisco & Fortinet ecosystems.
  • Deep working experience with Cisco Call Manager (CUCM), Cisco Unified Communications infrastructure, and Cisco Collaboration Endpoints (configuration, management, and maintenance); working knowledge of Cisco ISE and Fortinet Firewalls will be considered a strong asset.
  • Proven experience in voice troubleshooting (SIP signaling, RTP streams, QoS, voice gateways, and dial plans).
  • Vendor/partner management exposure, specifically with telecom providers and SIP trunk vendors.
  • Working experience with cloud services (Microsoft Azure), would be considered an asset.
  • Cisco certifications focused on Collaboration (e.g., CCNP Collaboration / CCNA) or Routing & Switching, Fortinet certifications, or any current Microsoft certification are highly welcomed.
  • Fluency in English language.

Additional Information

What’s in it for you:

Competitive salary and benefits are part of the offering, yet the real joy comes from being a member of smart and passionate teams within an international leading EPC group that supports impactful for the local communities’ mega infrastructure development projects - literally around the globe - and encompasses a productive and human-centric culture caring for its people and their development!

Please note that you will be contacted only in case you are shortlisted for an interview. In the meantime, do not hesitate to stay in touch and keep monitoring our open vacancies and our LinkedIn page! Depending on the nature of the position and its associated compliance risk level, a background check on your profile may be carried out.

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