System & Security Support Engineer (L2/L3)

Job Title:

Job Summary:

L2/L3 System & Security Support Engineer

Key Responsibilities:

• Provide

  L2/L3 technical support

  for infrastructure systems including servers, endpoints, and networks.
• Administer and maintain

  Active Directory (AD)

  and

  Azure Active Directory (Azure AD)

  .
• Manage and support

  Microsoft 365

  , including

  Exchange Online

  and

  SharePoint administration

  .
• Monitor and respond to

  system performance, availability, and security incidents

  .
• Implement and manage

  endpoint protection and compliance

  through tools like

  Microsoft Intune

  .
• Conduct

  vulnerability assessments

  using tools such as

  Rapid7

  and ensure timely remediation.
• Oversee

  patch management

  using tools like

  BigFix, SCCM, or ManageEngine

  .
• Collaborate with security teams to handle

  incident response

  ,

  threat mitigation

  , and

  compliance audits

  .
• Manage

  backup and recovery

  solutions (e.g.,

  Barracuda

  ) and ensure business continuity.
• Maintain detailed

  system documentation

  , configurations, and change control logs.
• Support and enhance

  email security

  using tools like

  Checkpoint

  and

  Microsoft Defender for Office 365

  .
• Coordinate with teams for

  system upgrades

  ,

  migrations

  , and

  disaster recovery

  planning.

Required Skills:

• 5+ years of experience in

  System/Support Engineering

  with exposure to

  Cybersecurity

  .
• Strong knowledge of

  Windows/Linux servers

  ,

  Active Directory / Azure AD

  , and

  network protocols

  .
• Experience with

  Microsoft 365 administration (Exchange Online, SharePoint)

  .
• Proficiency with

  security monitoring tools

  SIEM

  ,

  EDR

  ,

  IDS/IPS

  ,

  DLP

  ,

  Defender

  ,

  CrowdStrike

  ,

  Zscaler

  , etc.
• Familiarity with

  endpoint protection

  and

  device compliance

  using

  Intune

  .
• Skilled in

  patch management

  ,

  vulnerability scanning

  , and

  incident response

  .
• Excellent troubleshooting ability across

  infrastructure and application layers

  .
• Strong communication and collaboration skills.

Good to Have:

• Certifications:

  CompTIA Security+

  ,

  CEH

  ,

  Microsoft Certified

  ,

  Cisco Security

  , or similar.
• Experience with

  cloud environments

  (AWS, GCP, or Azure) and

  cloud security best practices

  .
• Familiarity with

  ITIL processes

  and ticketing tools (

  ServiceNow, Jira

  ).
• Scripting knowledge (

  PowerShell, Bash, Python

  ) for automation and routine tasks.

Tech Stack:

• Operating Systems:

  Windows, Linux

• Directory Services:

  Active Directory, Azure AD

• Security Tools:

  SIEM, EDR, DLP, IDS/IPS, Defender, CrowdStrike, Zscaler, Checkpoint, Intune, Rapid7

• Networking:

  TCP/IP, DNS, VPN, Firewall configurations

• Systems & Platforms:

  Microsoft 365 (O365, Exchange Online, SharePoint), VMware, Cloud (AWS/GCP/Azure)

• Patch Management:

  BigFix, SCCM, ManageEngine

• Backup & Recovery:

  Barracuda

• Support Tools:

  ServiceNow, Jira, Remote Desktop, SSH

• Scripting:

  PowerShell, Bash, Python (preferred)