Sr Systems Engineer Exchange/eDiscovery

Job Family:

Travel Required:

Clearance Required:

We are seeking an experienced Systems Engineer – Exchange/eDiscovery to support enterprise messaging operations, archiving, and eDiscovery workflows across secure federal environments. This role provides senior-level technical leadership for Microsoft Exchange (on-prem and cloud), Microsoft 365 messaging architecture, and compliance/eDiscovery solutions supporting mission-critical federal programs. The right candidate brings deep expertise in messaging platforms, legal hold processes, and security‑driven configuration management, along with the ability to guide engineering teams and interface directly with federal stakeholders.

What You Will Do:

• Lead the design, configuration, operation, and maintenance of Microsoft Exchange (on-prem, hybrid, and Microsoft 365).

• Architect and support eDiscovery, litigation hold, compliance, and retention workflows in Microsoft Purview and related M365 environments.

• Manage and optimize messaging security, including anti-spam, anti-phishing, mail flow rules, DLP, and compliance controls.

• Provide senior engineering guidance for mailbox migrations, hybrid integrations, and messaging modernization efforts.

• Troubleshoot and resolve complex issues related to mail flow, transport, connectors, routing, authentication, and compliance.

• Maintain documentation of configurations, operational procedures, system inventory, and security hardening standards.

• Collaborate with cybersecurity, network engineering, and cloud operations to ensure secure and compliant messaging posture.

• Support audits, security assessments, STIG alignment, and RMF/ATO activities as related to messaging and eDiscovery systems.

• Mentor junior engineers and contribute to engineering process improvements, automation, and continuous integration initiatives.

What You Will Need:

• U.S. Citizenship is required.

• An ACTIVE and MAINTAINED "TOP SECRET" Federal or DoD security clearance and ability to obtain SCI.

• Minimum of Six (6) years of in enterprise email, messaging, or collaboration engineering.

• Bachelor's degree or four(4) additional years of experience is needed in lieu of degree.

• Strong expertise with Microsoft Exchange (on-premises, hybrid, and Microsoft 365).

• Experience with eDiscovery, retention policies, compliance workflows, and legal hold mechanisms in M365.

• Demonstrated experience supporting secure or regulated IT environments (federal, DoW, law enforcement, or similar).

• Deep understanding of DNS, SMTP, certificates, authentication (OAuth/Modern Auth), mail routing, and messaging security controls.

• Strong communication skills with the ability to lead technical initiatives and coordinate across cross-functional teams.

What Would Be Nice To Have:

• Microsoft 365 Messaging – MS‑203.

• Microsoft eDiscovery / Compliance – MS‑500 or SC‑400.

• Security+ (strongly preferred for DoD 8570 compliance),

• Experience supporting Microsoft Purview compliance center.

• Familiarity with government cloud environments (GCC, GCC‑High, DoD).

• Knowledge of virtualization, cloud identity (AAD), and conditional access.

• Experience with automation and scripting (PowerShell strongly preferred).

• Understanding of Zero‑Trust principles and federal compliance frameworks (NIST 800‑53, RMF, STIGs).

What We Offer:

Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.

Benefits include:

• Medical, Rx, Dental & Vision Insurance

• Personal and Family Sick Time & Company Paid Holidays

• Parental Leave

• 401(k) Retirement Plan

• Group Term Life and Travel Assistance

• Voluntary Life and AD&D Insurance

• Health Savings Account, Health Care & Dependent Care Flexible Spending Accounts

• Transit and Parking Commuter Benefits

• Short-Term & Long-Term Disability

• Tuition Reimbursement, Personal Development, Certifications & Learning Opportunities

• Employee Referral Program

• Corporate Sponsored Events & Community Outreach

• Care.com annual membership

• Employee Assistance Program

• Supplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.)

• Position may be eligible for a discretionary variable incentive bonus

About Guidehouse

Guidehouse is an Equal Opportunity Employer–Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation.

Guidehouse will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law or ordinance including the Fair Chance Ordinance of Los Angeles and San Francisco.

If you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at 1-571-633-1711 or via email at [email protected]. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation.

All communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or [email protected].  Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse.  Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Never provide your banking information to a third party purporting to need that information to proceed in the hiring process.

If any person or organization demands money related to a job opportunity with Guidehouse, please report the matter to Guidehouse’s Ethics Hotline. If you want to check the validity of correspondence you have received, please contact [email protected]. Guidehouse is not responsible for losses incurred (monetary or otherwise) from an applicant’s dealings with unauthorized third parties.

Guidehouse does not accept unsolicited resumes through or from search firms or staffing agencies. All unsolicited resumes will be considered the property of Guidehouse and Guidehouse will not be obligated to pay a placement fee.