Senior Systems Admin - Secure Messaging & Mission-Critical

Veriipro; Arlington (VA); On-site; USD 110,000 - 150,000; Full time

Job summary

Veriipro in Arlington, VA seeks an experienced Senior Systems Administrator to support mission-critical secure messaging and enterprise infrastructure. The role combines secure messaging gateway administration, Windows Server, Active Directory, virtualization, monitoring, incident management, and ITSM support.

The role administers messaging gateways (AMHS/ECGS/ITS/CDS), monitors queues and performance across classified networks, and handles incidents via ServiceNow.

Qualifications

• Bachelor's degree in IT, CS, cybersecurity or related field.
• 5+ years of systems administration experience, including 3+ years in secure messaging or mission-critical ops.
• Active DoD Top Secret clearance.
• DoD 8570/8140-compliant IAT Level II certification (Security+ CE, CySA+, GSEC, GICSP, SSCP).

Responsibilities

• Administer and troubleshoot enterprise messaging gateways and related systems.
• Monitor message queues, routing, delivery, and system performance across networks.
• Administer Windows Server 2019/2022, Active Directory, virtualization, storage, and server infrastructure.
• Monitor systems using SCOM and resolve Tier II/III incidents.
• Manage incidents, changes, and service requests through ServiceNow or similar ITSM platforms.
• Support failover, maintenance, troubleshooting, and operational continuity activities.
• Develop SOPs, technical documentation, knowledge articles, and RCA reports.

Skills

Senior systems administration

Secure messaging

DoD TS clearance

IAT Level II

Windows Server/Active Directory

Education

Bachelor's degree in IT/CS/Cybersecurity

Tools

Windows Server 2019/2022

Active Directory

SCOM

ServiceNow

Virtualization

Messaging gateways

Job description

Veriipro in Arlington, VA seeks an experienced Senior Systems Administrator to support mission-critical secure messaging and enterprise infrastructure. The role combines secure messaging gateway administration, Windows Server, Active Directory, virtualization, monitoring, incident management, and ITSM support.

The role administers messaging gateways (AMHS/ECGS/ITS/CDS), monitors queues and performance across classified networks, and handles incidents via ServiceNow.