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AireSpring

Global provider of Managed SD-WAN, UCaaS, Managed Security, and Business Internet to Multi-location enterprises.

IT Security Systems Administrator – Telecom

Security EngineerSecurity EngineerFull TimeRemoteSeniorTeam 201-500Since 2001H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

135 days ago

Salary

0

Seniority

Senior

Bachelor DegreeEnglishAWSAzureFirewallsLinuxVMware

Job Description

IT Security Systems Administrator – Telecom

AireSpring

• 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. • 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.

Job Requirements

  • 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.

Benefits

  • Remote work options
  • Professional development

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