IT Systems Administrator-Level 2 - Experienced (6 - 10 Years)

Job#: 3024233

Job Description:

Senior Systems Administrator - Exchange Online & Messaging

Job Summary

The Senior Systems Administrator supports Exchange Online messaging services with a primary focus on end user experience, timely issue resolution, and consistent delivery of Outlook and email services across the organization. This role emphasizes service reliability, operational continuity, and user support to ensure employees can communicate effectively and securely.

Key Responsibilities

Exchange Online & Outlook Services (End User Focused)

Provide day to day operational support for Exchange Online and Outlook services, ensuring a stable and consistent email experience for end users.

Respond to and resolve Outlook and email related issues involving mailboxes, calendars, contacts, and mail flow across desktop and mobile platforms.

Support shared mailboxes, distribution lists, and mail enabled groups in accordance with established access and usage guidelines.

Serve as an escalation point for complex or high impact messaging issues, maintaining ownership through resolution and clear communication with affected users.

Ensure Exchange Online services meet availability, reliability, and security expectations by following defined operational standards and Microsoft best practices. [Document | Word]

Email Operations & Service Stability

Monitor Exchange Online service health and respond proactively to service degradation or user reported issues.

Support email security and compliance requirements, including DMARC, DKIM, SPF, and coordination with Proofpoint or similar email security platforms.

Perform mailbox lifecycle activities such as onboarding, offboarding, access changes, and handling mailboxes for departed employees.

Support retention policies, litigation holds, and compliance requests as part of routine operational processes.

Assist with mailbox and application migrations, including Mergers & Acquisitions activities, ensuring minimal disruption to end users. [Document | Word]

ServiceNow & Incident Management

Receive, triage, and resolve Exchange Online and Outlook incidents and service requests through ServiceNow.

Document incidents and resolutions clearly, providing user friendly explanations and complete troubleshooting details.

Meet established SLA targets by prioritizing user impacting issues and managing incidents efficiently.

Identify recurring operational issues and contribute to continuous improvement through knowledge articles and standard resolution practices.

Coordinate with Accenture and other support partners to ensure effective escalations, smooth handoffs, and consistent service delivery. [Document | Word]

Operational Excellence & Collaboration

Maintain up to date operational documentation, including runbooks and standard operating procedures.

Collaborate with offshore, vendor, and internal teams to support consistent and reliable messaging services.

Participate in on call rotations and respond to after hours incidents impacting email services.

Support automation efforts that reduce manual operational work and improve support efficiency.

Provide guidance and mentoring to junior support staff to promote consistent service quality and operational maturity. [Document | Word]

Required Qualifications

5+ years of experience supporting Microsoft 365 Exchange Online in an enterprise environment.

Strong hands on experience with Exchange Online and Outlook operational support.

Experience using PowerShell for routine administration, reporting, and operational tasks.

Working knowledge of email authentication and security standards (DMARC, DKIM, SPF, OAuth 2.0).

Experience supporting enterprise email security platforms such as Proofpoint.

Hands on experience with ServiceNow for incident, problem, and service request management.

Strong customer service, troubleshooting, and communication skills. [Document | Word]

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.