Senior IT Systems Administrator
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Job Description
Senior IT Systems Administrator managing AWS, Entra ID, networking, security, and enterprise applications. Supporting secure, reliable infrastructure for Chordline Health’s healthcare technology.
Responsibilities:
- Administer AWS accounts and environments
- Manage AWS Organizations
- Monitor cloud infrastructure
- Provision resources
- Perform maintenance and upgrades
- Support cost optimization
- Support production and non-production environments
- Administer EC2, ECS, RDS, Transfer Family, Systems Manager, ACM, GuardDuty, FSx, and VPC
- Manage Windows systems
- Perform server maintenance and patching
- Administer storage and access controls
- Perform infrastructure upgrades
- Manage application environments
- Administer Microsoft Entra ID
- Manage SSO integrations
- Provision users
- Manage GitHub identity integrations
- Administer privileged access management and password vaults
- Administer site-to-site and point-to-site VPNs
- Manage VPC peering, firewalls, and DNS
- Troubleshoot networks
- Conduct security monitoring and vulnerability remediation
- Prepare compliance reports
- Manage SSL certificates
- Support audits and incident response
- Administer enterprise applications including PagerDuty, Freshdesk, GitHub, Wrike, TeamCity, Cloudticity AWS, Oxygen, Datadog, Talend, GoDaddy, LastPass, and Nalpeiron
- Handle Tier 2/3 escalations
- Support deployments
- Coordinate with vendors
- Provide on-call support as needed
- Shape AWS and Entra ID environment evolution, strengthen security and compliance, and collaborate with engineering, operations, and leadership to maintain critical healthcare systems
Requirements:
- Experience and qualifications are not specified in the posting
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