Senior Systems Administrator

Securiport LLC is a U.S. company based in Reston, VA, specializing in the design and implementation of passenger biometric recognition, immigration processing, and intelligent information reporting and management systems based on advanced technological solutions. Securiport provides complete immigration processing solutions and analytics to help maintain border security. Services include technical analysis, design, implementation, maintenance of Securiport's software solutions, training, and technical support to field operations.

The Senior Systems Administrator is responsible for leading and performing advanced IT infrastructure and systems administration activities, including the installation, configuration, administration, support, maintenance, and optimization of IT software and hardware systems, data and voice network systems, internal databases, and enterprise platforms. This role provides senior-level technical expertise, resolves complex infrastructure issues, supports strategic IT initiatives, and helps ensure the reliability, security, scalability, and performance of Securiport's technology environment.

The Senior Systems Administrator also provides technical leadership, guidance, coaching, and mentoring to junior systems administrators and support staff, while serving as an escalation point for complex systems, network, server, cloud, and end-user computing issues.

Essential Functions

• Ensures the uptime, performance, reliability, and resource availability of computers, servers, network systems, and other IT infrastructure.
• Leads the administration, maintenance, monitoring, and optimization of Windows Server environments, Microsoft Exchange, Microsoft 365, Active Directory, enterprise storage, backup systems, and related infrastructure.
• Serves as a senior escalation point for complex technical issues involving servers, networks, databases, endpoints, cloud services, backup systems, and enterprise applications.
• Analyzes, evaluates, recommends, and implements personal computing products, devices, systems, software, and infrastructure solutions for affordability, compatibility, expandability, security, and ease of use/support.
• Installs, configures, upgrades, and maintains PC systems, server software, and enterprise platforms to optimize performance and integration with client/server applications and information-communications networks.
• Monitors, analyzes, and improves wide area network and local area network performance, availability, and security.
• Identifies, troubleshoots, and resolves advanced network, server, storage, backup, and systems issues.
• Plans and performs upgrades to network hardware, server infrastructure, software platforms, telecommunications equipment, and related enterprise systems.
• Ensures the quality, accuracy, integrity, and security of computers, devices, systems, and data.
• Develops, implements, and maintains system administration standards, procedures, documentation, and best practices.
• Supports system hardening, patch management, access controls, backup validation, disaster recovery planning, and security compliance activities.
• Analyzes functionality and risks for mobile computing devices, including policies and approaches for managing security, access, and data backup in bring-your-own-device environments.
• Matches organizational IT resources with current and future operational demand.
• Provides guidance and recommendations on infrastructure improvements, lifecycle management, capacity planning, and technology modernization.
• Works independently under limited supervision and exercises sound judgment in resolving complex technical and operational issues.
• Provides leadership, coaching, mentoring, and technical direction to junior team members and support staff.
• Collaborates with internal stakeholders, vendors, and technical teams to support business operations and project delivery.

Required Knowledge, Skills, and Abilities

• Advanced working knowledge of systems administration, network administration, database management concepts, enterprise infrastructure, and computer science principles.
• Strong technical expertise in Microsoft Windows Server management.
• Strong technical expertise in Microsoft Exchange Server.
• Strong technical expertise in Microsoft 365 administration.
• Strong technical expertise with Active Directory, Group Policy, DNS, DHCP, file services, and identity/access management.
• Technical expertise in database products and servers.
• Technical expertise with backup and recovery products such as Veeam, Symantec Backup, or similar enterprise backup solutions.
• Working knowledge of storage systems, including SAN environments.
• Working knowledge of routers, switches, firewalls, VPNs, and network troubleshooting.
• Ability to diagnose and resolve complex server, network, endpoint, software, and infrastructure issues.
• Strong understanding of cybersecurity best practices, patch management, access controls, system hardening, and data protection.
• Excellent verbal and written communication skills.
• Demonstrated…