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Organizational Messaging System (OMS) System Administrator

Arlington, VA, US • Posted 2 hours ago • Updated 2 hours ago

Full Time

On-site

USD $80,001.00 - 120,000.00 per year

SAIC

Fitment

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Job Details

Skills

Oracle Management Server
High Availability
SIPRNet
Microsoft Windows Administration
Virtualization
Workflow
Network Operations
NOC
Change Data Capture
Message Queues
Routing
Virtual Machines
Microsoft Operating Systems
Microsoft Windows Server
Active Directory
Provisioning
Access Control
Hardware Management
Caching
Kernel-based Virtual Machine
Microsoft SCCM
Microsoft SCOM
Incident Management
Management
IT Service Management
ServiceNow
Failover
Standard Operating Procedure
Knowledge Base
Root Cause Analysis
Computer Science
Information Assurance
Cyber Security
System Administration
Messaging
Security Clearance
DoD
GSEC
Security+
SSCP
Customer Engagement
Cisco Certifications
CISA
CISSP
GCIH
Information Technology
Systems Engineering
FOCUS

Oracle Management Server
High Availability
SIPRNet
Microsoft Windows Administration
Virtualization
Workflow
Network Operations
NOC
Change Data Capture
Message Queues
Routing
Virtual Machines
Microsoft Operating Systems
Microsoft Windows Server
Active Directory
Provisioning
Access Control
Hardware Management
Caching
Kernel-based Virtual Machine
Microsoft SCCM
Microsoft SCOM
Incident Management
Management
IT Service Management
ServiceNow
Failover
Standard Operating Procedure
Knowledge Base
Root Cause Analysis
Computer Science
Information Assurance
Cyber Security
System Administration
Messaging
Security Clearance
DoD
GSEC
Security+
SSCP
Customer Engagement
Cisco Certifications
CISA
CISSP
GCIH
Information Technology
Systems Engineering
FOCUS

Summary

Job ID: 2617402

Location: Arlington, VA, US

Date Posted: 2026-09-29

Category: Information Technology

Subcategory: Sys Administrator

Schedule: Full-Time

Shift: Day Job

Travel: Yes - 10% of the time

Minimum Clearance Required: TS.SCI

Clearance Level Must Be Able to Obtain: None

Potential for Remote Work: ORA_ON_SITE

Description

?Team SAIC is currently seeking a motivated and experienced Organizational Messaging System (OMS) System Administrator to join our team at the Pentagon in Arlington, VA. This role is responsible for the daily operation, administration, monitoring, and maintenance of mission-critical defense and enterprise organizational messaging platforms. This role ensures secure, high-availability message routing across classified and unclassified government networks (including SIPRNET and TIPRNET).

The successful candidate will blend specialized messaging gateway expertise with core Windows systems administration, virtualization management, enterprise monitoring, and IT Service Management (ITSM) workflows within a high-tempo Network Operations Center (NOC) or Gateway Operations environment.

Responsibilities:

Administer, configure, and maintain enterprise organizational messaging platforms, such as Automated Message Handling System (AMHS), Enhanced Communications Gateway System (ECGS), SYNDEO Intelligent Gateway (SIG), Information Transport Systems (ITS), and Cross Domain Solutions (CDS).
Oversee high-volume, global message routing, queue processing, validation, and delivery across joint service endpoints, combatant commands, and external mission partners.
Manage Message Conversion Systems (MCS) and Communications Data Format Converters (CDC) to translate legacy tactical messaging protocols into modern organizational formats.
Monitor message queues to identify, isolate, and remediate message stalls, format errors, delivery delays, and routing table misconfigurations.
Maintain and secure physical and virtual server environments running Windows Server 2019 and 2022.
Perform core identity and directory administration, including Active Directory (AD), account provisioning, and role-based access control.
Coordinate hardware maintenance, volume allocation, disk space cleanups, cache clearings, and KVM/console connectivity.
Continuously monitor infrastructure and application health utilizing enterprise observability tools such as Microsoft System Center Operations Manager (SCOM)
Serve as a Tier II / Tier III technical escalation point for messaging and server-related incidents, handling escalations from Tier I operations desks.
Track, manage, and resolve tickets using enterprise ITSM platforms (e.g., ServiceNow)
Coordinate incident resolution and operational failover procedures with partner agencies, circuit providers (e.g., DISA), and watch commanders/Battle Captains.
Document system changes, standard operating procedures (SOPs), knowledge base articles, and incident root-cause analysis (RCA) reports.

Qualifications

Required Qualifications

Education: Bachelor's degree in Information Technology, Computer Science, Information Assurance, Cybersecurity, or related technical field.
Experience: 5+ years of systems administration experience, with at least 3 years dedicated to enterprise secure messaging gateways, defense communications, or mission-critical operations centers.
This position requires an active DOD Top Secret (TS) clearance.
Possess DoD 8570.01-M/DoD 8140 Certification IAW established mandate prior to start of work - IAT Level II required (CCNA Security, CySA+, GICSP, GSEC, Security+ CE, SSCP); IAT Level III is desirable (CASP+ CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH). Applicants not meeting this requirement will not be considered.

Target salary range: $80,001 - $120,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 10111346
Position Id: 2617402
Posted 2 hours ago

Company Info

About SAIC

SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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