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General Dynamics Information Technology · 4 hours ago

Microsoft Exchange & Messaging Engineer - TS/SCI with Polygraph

Chantilly, VA

Full-time

Onsite

Senior Level, Lead/Staff

$140K/yr - $190K/yr

10+ years exp

General Dynamics Information Technology is a global technology and professional services company that delivers consulting, technology and mission services. They are seeking a Microsoft Exchange and Messaging Engineer to design, build, deploy, and administer large scale multi-domain enterprise Windows Server environments, and support solutions throughout the entire IT project lifecycle.

Artificial Intelligence (AI)Cloud ComputingConsultingCyber SecurityInformation Technology

No H1B

Security Clearance Required

U.S. Citizen Only

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

Qualification

Microsoft Exchange Server 2016/2019Microsoft PowerShellWindows Server 2019/2022/2025Active Directory integrationEmail security complianceDatabase Availability Groups (DAGs)Systems EngineeringJIRAServiceNowCompTIA Security+System configuration hardening

Required

Top Secret SCI + Polygraph clearance level must currently possess

Top Secret SCI + Polygraph clearance level must be able to obtain

10 + years of related experience

US Citizenship Required

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

Benefits

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

Rest and recharge with paid vacation and holidays

Variety of medical plan options, some with Health Savings Accounts

Dental plan options

A vision plan

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

Full flex work weeks where possible

Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave

Short and long-term disability benefits

Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance

Company

General Dynamics Information Technology

Glassdoor3.9

General Dynamics Information Technology is an IT consulting company that specializes in cyber security, AI, and quantum computing. It is a sub-organization of General Dynamics.

Founded in 1999

Falls Church, Virginia, USA

10001+ employees