Senior Systems Administrator

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Senior Systems Administrator

role at

Aechelon Technology Inc. Aechelon Technology, Inc. is a leading producer of 3D simulator content, including Geospecific visual/sensor databases and realistic 3D models.

We seek people who share our passion for real-time computer graphics and commitment to our mission of helping make our Nation’s pilots safer. We seek a skilled

Senior IT Systems Administrator

to play a critical role in managing and securing our IT infrastructure. This position is ideal for a

self-starter

with extensive experience in

hybrid Microsoft environments, security, automation, and troubleshooting. The ideal candidate will have

expertise in managing Hybrid Active Directory, Microsoft Exchange, Proofpoint email security, Microsoft Defender for Endpoints, and Windows Server environments , along with strong problem-solving skills and attention to detail. The Hybrid Work requirement for this role consists of 2 days per week in-office at the company’s South San Francisco location, while the remaining 3 days per week can be worked remotely from a home office. United States citizenship required due to restrictions on access to certain data. Key Responsibilities: Microsoft Exchange Administration : Administer, monitor, and maintain

hybrid Exchange 2016 and Exchange Online , troubleshoot

mail flow, Microsoft Entra Connect, and third-party service integrations , administer

Proofpoint email security solutions , and plan and execute

system upgrades, patches, and configurations . Hybrid Active Directory & Entra ID Management : Install, configure, and secure

Domain Controllers (DCs) , manage

GPOs , administer

Azure AD Connect

for hybrid AD synchronization, and manage

conditional access policies . Windows Server & Infrastructure Administration : Automate and standardize

Windows Server deployment , maintain

Active Directory Certificate Services (AD CS) , manage

Intel AMT/vPro servers , administer

Windows Server Update Services (WSUS) , collaborate with vendors on

new product evaluations and proof of concepts , serve as the

primary

administrator for

Dell PowerScale (Isilon) storage , create and manage

file shares and quotas , and troubleshoot and remediate

hardware failures, performance issues, and connectivity problems . SAN Administration : Manage and maintain the company's

Storage Area Network (SAN) infrastructure , mount and configure

Fibre Channel SAN clients , troubleshoot

SAN-related connectivity, performance, and file-sharing issues , and collaborate with cross-functional teams on optimizing

SAN usage for high-performance workflows . Backup Responsibilities & Additional IT Duties : Provide backup support for

physical access control systems (S2 Lenel)

and work with cross-functional teams to support

security and infrastructure initiatives . Required Skills & Experience: 5+ years

managing

Hybrid Microsoft Exchange Server and Microsoft Exchange Online . 5+ years

supporting

Hybrid Microsoft AD & Entra ID

environments. Experience with Microsoft Defender for Endpoints

and enterprise

endpoint security solutions . Proficiency in PowerShell or Python scripting

for task automation. Strong problem-solving and communication skills with the ability to work independently. Bachelor’s degree in IT, Computer Science, Cybersecurity , or equivalent experience (6+ years). Preferred Qualifications: Experience in a help desk escalation role

for

150+ users . Familiarity with

JIRA, Confluence or Perforce

for IT documentation and issue tracking. SAN Administration experience

is a plus. Additional Requirements: U.S. Citizenship or Permanent Residency

(due to export-controlled materials). Ability to

respond to urgent infrastructure needs

and

manage IT service tickets

effectively. Salary Range:

$125,000 - $145,000 USD per year. Aechelon Technology is an

equal opportunity employer . We are committed to providing access and opportunities to individuals with disabilities.

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