Senior O365 Messaging & Exchange Engineer

TEKsystems
$45.00 - $55.00 / hr
life insurance, sick time, 401(k), retirement plan
United States, Ohio, Columbus
Sep 03, 2025
Skills Exchange, Office 365, Powershell, O365, Ironport Top Skills Details Exchange,Office 365,Powershell,O365 Description JOB DESCRIPTION TECHNICAL SKILLS Must Have "M365 Exchange Powershell" Nice To Have "IronPort ESA Proofpoint Abnormal" Position Summary: We are seeking a highly skilled Senior O365 Messaging & Exchange Engineer to lead the design, engineering, and advanced operational support of our enterprise messaging platform. This role will focus on Microsoft Exchange Online (O365) and related technologies, ensuring a secure, reliable, and high-performing email environment. The ideal candidate will also serve as an escalation point for complex operational issues, bringing expertise in email security solutions such as Proofpoint, Cisco IronPort, or similar platforms, along with experience integrating with ServiceNow for IT service management. Key Responsibilities: Engineering & Architecture oDesign, implement, and optimize enterprise messaging solutions leveraging Microsoft Exchange Online, hybrid configurations, and related O365 components. oLead migration and integration efforts during mergers, acquisitions, and platform transitions. oDevelop and maintain messaging policies, compliance configurations, and transport rules to meet business and regulatory requirements. Operational Excellence oAct as a tier-3 escalation point for complex messaging incidents and service requests. oPerform root cause analysis and implement permanent resolutions for recurring issues. oMonitor system health and performance, proactively identifying and addressing risks or capacity concerns. Security & Compliance oAdminister and optimize email security appliances such as Proofpoint, Cisco IronPort, or equivalent tools. oImplement anti-phishing, spam filtering, and data loss prevention measures. oCollaborate with security teams to ensure email systems meet compliance and audit standards. Process & Automation oDevelop and maintain operational runbooks, engineering documentation, and change management processes. oLeverage ServiceNow for incident, problem, and change management, ensuring accurate and timely updates. oIdentify opportunities for automation to improve operational efficiency. Qualifications: Required Skills & Experience o7+ years of experience in Microsoft Exchange (on-premises and Online/O365) engineering and operations. oProven expertise in Exchange hybrid deployments, migration strategies, and advanced troubleshooting. oStrong knowledge of DNS, SMTP, transport rules, and mail flow architecture. oExperience with email security platforms such as Proofpoint, Cisco IronPort, or similar. oFamiliarity with ServiceNow for incident, change, and problem management. oDeep understanding of security, compliance, and retention policies in O365. oStrong PowerShell scripting skills for automation and reporting. oExperience in Power Platform is a plus. Preferred Skills & Experience oExperience with Microsoft Teams, OneDrive, and SharePoint Online integrations. oExposure to Azure AD, conditional access, and MFA policies. oKnowledge of email archiving solutions and eDiscovery. oFamiliarity with mergers and acquisitions from an IT integration perspective. Pay and Benefits The pay range for this position is $45.00 - $55.00/hr. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: * Medical, dental & vision * Critical Illness, Accident, and Hospital * 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available * Life Insurance (Voluntary Life & AD&D for the employee and dependents) * Short and long-term disability * Health Spending Account (HSA) * Transportation benefits * Employee Assistance Program * Time Off/Leave (PTO, Vacation or Sick Leave) Workplace Type This is a hybrid position in Columbus,OH. Application Deadline This position is anticipated to close on Sep 8, 2025. h4>About TEKsystems: We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. About TEKsystems and TEKsystems Global Services We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.