Senior IT Engineer

A2e Technologies

San Diego, CA

JOB DETAILS
LOCATION
San Diego, CA
POSTED
30+ days ago

Senior IT Engineer to play a key role on our IT Team in the design, deployment, maintenance, and security of our infrastructure.

This position requires a hands-on technical expertise with deep experience across Azure AD, Intune, Active Directory, Exchange, virtualization platforms such as Proxmox, and enterprise networking. 

The ideal candidate is a problem-solver who can operate independently, mentor junior staff, and help modernize and secure IT systems while supporting business operations. 

Requirements

Minimum Requirements but not limited to:

  • This position requires US Citizenship
  • 8+ years hands-on experience across:
    • Azure AD,
    • Intune,
    • Active Directory,
    • Exchange,
    • virtualization platforms such as Proxmox, and
    • enterprise networking. .
  • Excellent Problem solving abilities
    • Can operate independently,
    • Mentor junior staff, and
    • help modernize and
    • secure IT systems while supporting business operations. 

Key Responsibilities but not limited to::

Systems & Identity Management 

  • Administer and maintain Azure Active Directory (Entra ID), including user lifecycle management, Conditional Access, MFA, and role-based access control (RBAC). 
  • Manage on-prem Active Directory, including Group Policy, DNS, DHCP, and hybrid AD configurations. 
  • Administer Microsoft Intune for device management (Windows, macOS, mobile), including compliance policies, configuration profiles, and application deployment. 
  • Manage Exchange Online / Exchange hybrid environments, including mail flow, security, retention, and troubleshooting. 
  • Infrastructure & Virtualization 
  • Design, deploy, and maintain virtualization environments, including Proxmox VE (VMs, LXC containers, backups, clustering, storage). 
  • Manage storage solutions (local, SAN/NAS, ZFS, backups, snapshots, replication). 
  • Monitor system performance, capacity, and availability; proactively resolve issues. 

Networking 

  • Configure and support enterprise networking environments, including: 
    • Switching and routing (VLANs, trunking, STP) 
    • Firewalls and VPNs (site-to-site and remote access) 
    • Network security best practices 
  • Troubleshoot complex network connectivity and performance issues. 

Security & Compliance 

  • Implement and maintain security best practices across endpoints, servers, and identity platforms. 
  • Support compliance initiatives (e.g., CMMC, SOC 2, ISO 27001, or similar). 
  • Manage patching, vulnerability remediation, endpoint protection, and logging. 
  • Participate in incident response and root cause analysis. 

End-User & Operational Support 

  • Serve as an escalation point for complex technical issues. 
  • Maintain the ticketing system and work issues as they arrive within SLA. 
  • Create and maintain documentation for systems, procedures, and configurations. 
  • Assist with training and support for end users. 

·         Work closely with vendors and security consultants as needed. 

Required Qualifications 

  • 8+ years of hands-on experience in a senior IT or systems engineering role. 
  • Strong experience with: 
    • Azure AD / Entra ID 
    • Microsoft Intune 
    • Active Directory (on-prem and hybrid) 
    • Exchange / Exchange Online 
    • Experience with virtualization platforms (Proxmox strongly preferred; VMware/Hyper-V acceptable). 
    • Solid understanding of TCP/IP networking, firewalls, VPNs, and DNS. 
    • Strong troubleshooting skills across systems, networking, and identity. 
  • Ability to work independently and manage multiple priorities. 

Preferred Qualifications 

  • Experience with: 
  • Proxmox clustering, ZFS, and backup strategies 
  • Linux server administration (Debian/Ubuntu preferred) 
  • Scripting and automation (PowerShell, Bash, Python) 
  • Endpoint security and MDM hardening 
  • Familiarity with compliance frameworks (CMMC, NIST, SOC 2, ISO). 
  • Microsoft certifications (Azure, M365, Security) or equivalent experience. 
  • Experience modernizing legacy environments or migrating to cloud services. 

Soft Skills & Attributes 

  • Strong communication skills with both technical and non-technical stakeholders. 
  • Detail-oriented with a strong documentation mindset. 
  • Security-first mentality. 
  • Calm and effective under pressure. 
  • Desire to continuously learn and improve systems. 

 

Benefits

  • Medical
  • Dental/
  • Vision
  • 401K

A2e Does NOT Accept Unsolicited Resumes or Referrals from any source other than the candidate, and, as a result, we will not be considering any unsolicited referrals or resumes sent to us as a fee -based candidate submittal. 

Any unsolicited resumes sent to A2e, including unsolicited resumes sent to a A2e mailing address, fax machine or email address, directly to A2e employees, or to A2e’s resume database will be considered A2e property. 

A2e will NOT pay a fee for any placement resulting from the receipt of an unsolicited resume.

About the Company

A

A2e Technologies