We are an equal opportunity employer with a commitment to diversity. All individuals, regardless of personal characteristics, are encouraged to apply. All qualified applicants will receive consideration for employment without regard to age, race, color, national origin, ancestry, sex, sexual orientation, gender, gender identity, gender expression, marital status, pregnancy, religion, physical or mental disability, military or veteran status, genetic information, or any other status protected by applicable state or local law.
Lead Systems Administrator
Location
United States
Posted
20 hours ago
Salary
$105.7K - $149.3K / year
Seniority
Senior
Job Description
Lead Systems Administrator
Empower
• Serve as the technical lead and subject matter expert for Microsoft 365 Messaging technologies, including Exchange Online and related Microsoft services • Lead administration and engineering of Microsoft Exchange Online, Microsoft 365 messaging services, and hybrid mail environments • Design, implement, and maintain enterprise email security solutions using Proofpoint Email Protection, Targeted Attack Protection, Email Fraud Defense, and related Proofpoint technologies • Design and support complex enterprise mail flow and advanced email routing, including SMTP routing, secure connectors, hybrid Exchange routing, third-party integrations, domain management, transport rules, and mail relay services • Manage email authentication technologies, including SPF, DKIM, and DMARC, to improve email security and reduce spoofing • Design and maintain policies supporting phishing protection, malware prevention, data loss prevention, encryption, and email compliance • Partner with Cybersecurity teams to investigate messaging threats, email incidents, and security events • Develop standards, operational procedures, and self-service documentation for messaging technologies • Automate administrative functions using PowerShell, Microsoft Graph API, Azure Automation, or related scripting technologies • Monitor messaging health, service availability, mail flow, queue performance, routing efficiency, and security metrics • Lead operational support for Microsoft 365 messaging platforms while participating in incident response and problem management activities • Collaborate with Identity and Access Management teams on authentication, Conditional Access, and secure administrative access • Work closely with Microsoft, Proofpoint, and other technology vendors to resolve complex issues and implement strategic improvements • Evaluate emerging Microsoft 365 and messaging technologies and provide architectural recommendations • Provide technical leadership, mentoring, and knowledge transfer to other infrastructure engineers and operational support teams • Partner with Cybersecurity, Infrastructure, Identity, Networking, Compliance, and Application teams to deliver secure, scalable, and highly available messaging services while driving automation, operational excellence, and strategic modernization initiatives.
Job Requirements
- Bachelor’s degree in Computer Science, Information Systems, Cybersecurity, or a related field, or equivalent work experience
- Microsoft and/or Proofpoint certifications
- Expert knowledge of Microsoft 365 administration with emphasis on Exchange Online
- Extensive experience supporting enterprise messaging environments serving large organizations
- Strong experience with Proofpoint Email Protection, Targeted Attack Protection, Email Fraud Defense, and Proofpoint administration
- Deep understanding of SMTP, DNS, MX records, SPF, DKIM, DMARC, TLS, and secure email routing
- Experience with Microsoft Defender for Office 365, Microsoft Purview, and Microsoft Entra ID
- Knowledge of Microsoft Exchange Hybrid deployments and migration strategies
- Experience supporting enterprise email compliance, retention, eDiscovery, and regulatory requirements
- Experience integrating messaging platforms with identity providers and security technologies
- Strong PowerShell scripting and automation experience
- Familiarity with Microsoft Graph API and Microsoft 365 automation
- Knowledge of networking concepts, including DNS, load balancing, firewalls, certificates, and network security
- Excellent troubleshooting, root cause analysis, and incident management skills
- Strong documentation, architecture, and communication skills
- Ability to adapt to an evolving cloud-first technology environment.
Benefits
- Medical, dental, vision and life insurance
- Retirement savings – 401(k) plan with generous company matching contributions (up to 6%), financial advisory services, potential company discretionary contribution, and a broad investment lineup
- Tuition reimbursement up to $5,250/year
- Business-casual environment that includes the option to wear jeans
- Generous paid time off upon hire – including a paid time off program plus ten paid company holidays and three floating holidays each calendar year
- Paid volunteer time — 16 hours per calendar year
- Leave of absence programs – including paid parental leave, paid short- and long-term disability, and Family and Medical Leave (FMLA)
- Business Resource Groups (BRGs) – BRGs facilitate inclusion and collaboration across our business internally and throughout the communities where we live, work and play. BRGs are open to all.
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