IT Security Systems Administrator – Telecom

Job Description

We are seeking an IT Systems Administrator with a strong background in enterprise security operations and cybersecurity. This is a security-first role, with primary responsibility for cybersecurity operations and secondary responsibility for systems administration, focused on protecting critical infrastructure through proactive monitoring, incident response, firewall and endpoint security management, and compliance alignment.

The ideal candidate will drive IT cybersecurity standards in support of SOC 2, HIPAA, and other required compliance frameworks. They will lead security adoption across network and operations teams, owning the detection, investigation, and remediation of security risks and threats while ensuring the confidentiality, integrity, and availability of enterprise systems.

Primary ownership includes firewall management, security monitoring, incident response, endpoint protection, and compliance. In addition to hands-on security operations, this role provides guidance on secure system design, supports regulatory and compliance initiatives, and contributes to the continuous improvement of security controls across on-premises and cloud environments.

Key Responsibilities (Primary – Security)

• Manage enterprise firewalls, including Cisco Meraki, SonicWall, and Fortinet.

• Monitor and respond to security alerts using XDR, RMM, and SIEM platforms.

• Lead incident response, breach remediation, and root-cause analysis.

• Administer Bitdefender Endpoint Protection and similar endpoint security tools.

• Secure the Microsoft 365 tenant, including Defender, identity protection, and conditional access policies.

• Support SOC 2 and ISO 27002 compliance activities.

• Collaborate with internal teams to support telecom-specific applications and integrations.

• Monitor system performance, troubleshoot issues, and provide timely resolutions to minimize downtime.

• Ensure compliance with telecom industry standards, data protection regulations, and company policies.

• Create and maintain documentation for system configurations, processes, and troubleshooting guides.

Secondary Responsibilities

• Perform Windows Server and Linux administration.

• Manage user accounts, access permissions, and IT resources across enterprise systems.

• Support and maintain virtualization platforms (VMware and Hyper-V).

• Perform networking fundamentals and troubleshooting.

• Provide technical support to end users, ensuring effective communication and timely resolution of IT-related concerns.

• Research and recommend technology upgrades or enhancements to optimize IT operations.

• Stay current with the latest IT trends and best practices relevant to the telecom sector.

Qualifications

 

• Must have good English proficiency, both written and verbal.

• Bachelor’s degree in Information Technology, Telecommunications, or a related field; or equivalent work experience.

• Senior-level experience in systems and security administration.

• Strong networking, operating system, and virtualization knowledge.

• Experience responding to real-world security incidents.

• Proven experience as an IT Systems Administrator, preferably in a telecom-focused organization.

• Strong understanding of IT infrastructure, including servers, storage systems, and cloud environments.

• Proficiency in managing enterprise software, operating systems (Windows/Linux), and IT tools.

• Knowledge of telecom industry applications and requirements is a significant advantage.

• Excellent problem-solving and analytical skills with a proactive approach to system management.

• Strong interpersonal and communication skills for collaborating with teams and supporting users.

• Experience with virtualization platforms (e.g., VMware, Hyper-V) and cloud platforms (e.g., AWS, Azure) is a plus.

• Relevant certifications such as Security+, CySA+, CEH, SSCP, ITIL, CompTIA Server+, or Microsoft Certified: Azure Administrator are advantageous.

• Ability to multitask and prioritize in a fast-paced, remote working environment.

 

Additional Information