Sr. Active Directory/Exchange Specialist

Leidos is pleased to announce that it has been awarded the Navy Service Management, Integration and Transport (SMIT) contract.  This is an eight-year, $7.7 billion contract that is responsible for maintaining and modernizing the main global network of the Navy and Marine Corps.

In support of this exciting program Leidos is looking to hire a Sr. Active Directory Exchange Specialist in Quantico, VA to join our Team. 

As an Active Directory Exchange Specialist, you will be responsible for managing the operation, servicing, troubleshooting, implementation and account administration of Active Directory (AD), Exchange, Active Directory Application Mode (ADAM), and the Global Address List (GAL).  The qualified candidate will be responsible for creating, configuring, and maintaining Exchange databases, mailboxes, address lists, distribution groups, and message routing.  This role will also ensure engineered solutions are designed to maintain highest availability and service dependability. Additional requirements include responsibility for systems test, configuration, analysis, diagnosis and troubleshooting, system mitigation and transition strategies.

Primary Responsibilities:  

• Performs root cause analysis of critical outages and incidents, engineers permanent solutions, and coordinates implementation; executes life-cycle events for Active Directory network group objects to include:

  • Creating new group objects

  • Modifying group object attributes

  • Modifying group object type

  • Deactivating and deleting group objects

• Provides technical advice, guidance, and recommendations to client and technical specialists on critical Exchange & Windows software improvements, updates, and vulnerability issues; recommends mitigation strategies; ensures coordination and collaboration on upgrade activities and successfully implements hardening of the server infrastructure in appropriate server roles.

• Establishes, enforces, and monitors security policies and procedures to ensure appropriate usage of information systems; creates and implements domain level security policies such as authentication mechanisms, password policies and rules;   applies security patches/fixes and anti-virus updates as released by software manufacturers and anti-virus vendors; supports reporting and analysis of client metrics.

• Collaborates in researching, planning, designing, and assessing current and expected Windows infrastructure needs, configuration, maintenance, optimization and documentation of Windows infrastructure; leads and/or assists in the planning, installation and configuration of the Active Directory Network components; upgrades system software and hardware components as required to meet client needs; validates system upgrades and patches when required.

• Serves as the IT liaison/escalation point for application support and troubleshooting, provides guidance and direction in resolution of escalated issues and/or complex production, application or system problems.

• Serves as the first line of escalation support for domain technology issues that cannot be resolved by tier one and two server support.

• Owns, creates and maintains system documentation for domain technologies, including installation, configuration, and appropriate troubleshooting steps; identifies and participates in improvement opportunities spanning service delivery, user experience, security, etc.; assists in the design, testing, and implementation of computer and network system software projects to meet client and individual user requirements.

Basic Qualifications:

• High School Diploma and ten (10) years of information technology (IT) relevant experience including six (6) years using Active Directory and/or Exchange experience that includes designing, implementing, and maintaining enterprise level Active Directory solutions

• Certified in accordance with DoD 8570.01-M Information Assurance Technician (IAT) Level III

• U.S. citizen with a DoD Top Secret security clearance

• Enhanced knowledge of Microsoft Windows Server 2016/2019, Windows 10, Microsoft Active Directory, TCP/IP Protocols, and Group Policies

• Demonstrated experience in using, configuring, and troubleshooting Windows computer platforms in an active directory environment.

• Highly developed customer service ethic, coupled with a drive to deliver exceptional customer experience

• Experience managing compliance with license agreements

• Experience controlling and monitoring user access to the system

• Experience monitoring and optimizing the performance of the Microsoft Exchange system

• Experience planning, executing, and maintaining backup and recovery of the system

• Possess good working knowledge and understanding of Windows credential stores such as Microsoft Active Directory and their related security capabilities and functions

• Possess a high degree of tack, diplomacy and professionalism when dealing with all types of clientele

Preferred Qualifications:

• MCSE: Cloud Platform and Infrastructure or Microsoft Certified Solutions Expert (MCSE) certification in Productivity or Messaging

• Prior Navy NGEN or Marine Corps MCEN experience

• Bachelor's Degree in Computer Science, MIS, Business, or related field or the equivalent combination of training, education, and military experience

• Information Technology Infrastructure Library (ITIL) certifications a strong plus

• Experience with Microsoft Teams/O365 in an enterprise environment is a plus

NGEN

Original Posting:

May 20, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $72,150.00 - $130,425.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.