Microsoft Exchange & Messaging Engineer - Ts/sci With Polygraph

Systems Engineering Job

We are looking for highly motivated Microsoft Exchange and Messaging engineers and architects to support a state-of-the-art systems that seamlessly integrate Microsoft services. Candidates with proven depth creating solutions with Microsoft Windows Server will be positioned for success in our organization. The selected candidate will design, build and deploy, and administer large scale multi-domain enterprise Windows Server environments. Additionally, engineers will build, maintain and migrate a variety of physical and virtual systems to on-premises, cloud, or hybrid infrastructures.

Engineers will provide support to multiple globally dispersed WAN connected sites. Embracing the DevOps model, engineers will be responsible for supporting their solutions throughout the entire IT project lifecycle, to include refining requirements, creating design documentation, creating installation instructions and deployment plans, and providing O&M support. Project assignments will vary based on skill level, and may include engineering geographically dispersed services, integrating services into public, private and hybrid cloud environments, engineering solutions to be deployed via automated CM tools, and hardening the solutions to address security and SCAP compliance.

Responsibilities:

• Designs and defines system architecture for new or existing Exchange systems utilizing both on-premises and cloud-based hosting technologies
• Evaluate the current Exchange environment, develop platform roadmaps, analyze system performance, and recommend corrective and preemptive actions
• Administer, operate, manage and maintain Exchange components for on-premises and cloud-based virtualized systems
• Reviews completion and implementation of system additions and/or enhancements and makes recommendations to management and/or clients
• Plans and directs upgrades of Microsoft Exchange infrastructure and related components in the area of Active Directory, Domain Controller topology, LDAP, Authentication Services, DNS, Permissions and Access Controls and Group Policy

Required Skills:

• Experience with Exchange Server 2016 or 2019, including Database Availability Groups (DAGs)
• Experience with managing mail flow in a Microsoft Exchange environment
• Experience email security, compliance policies, and data loss prevention (DLP)
• Experience with email encryption, SPF / DKIM / DMARC, and other security measures
• Experience with Windows DNS and DHCP
• Experience integrating Exchange with Active Directory, Azure AD, and Office 365 services
• Experience with Active Directory Domains and Trusts
• Experience with Microsoft Windows automation scripting with PowerShell or other scripting languages
• Experience with Windows Server 2019, 2022 and 2025
• Experience with Microsoft Identity Manager and/or Forefront Identity Manager experience is optimal
• Experience with managing work tasks via tools such as JIRA and ServiceNow
• System configuration experience and hardening based on security guidelines, such as DISA STIGs
• CompTIA Security+ or similar for IAT Level II DoD 8570/8140 certification
• BA/BS (or equivalent experience)
• TS/SCI with Polygraph
• Location: On Customer Site
• US Citizenship Required

GDIT is Your Place:

• 401K with company match
• Comprehensive health and wellness packages
• Internal Mobility team dedicated to helping you own your career
• Professional growth opportunities including paid education and certifications
• Cutting-edge technology you can learn from
• Rest and recharge with paid vacation and holidays

The likely salary range for this position is $140,250 - $189,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours: 40

Travel Required: None

Telecommuting Options: Onsite

Work Location: USA VA Chantilly

Additional Work Locations:

Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

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