Network and Computer Systems Administrator

Key Responsibilities:

• Network Installation and Configuration:
• Install, configure, and support LAN, WAN, and Internet systems, or specific segments of network systems, ensuring the systems are operational and meet organizational needs.
• Set up and manage network devices, such as routers, switches, firewalls, and load balancers, to support efficient data transmission and connectivity.
• Coordinate the integration of new systems or technologies into existing network infrastructures, ensuring minimal disruption and smooth transitions.
• Network Monitoring and Maintenance:
• Continuously monitor the network to ensure availability and optimal performance for all system users, identifying issues and resolving them quickly to prevent downtime.
• Perform routine and proactive network maintenance, including hardware and software updates, patch management, and troubleshooting.
• Monitor the performance of network systems and services, ensuring they meet performance standards and expectations.
• Test and evaluate network performance regularly to ensure that the network operates correctly and without interruption.
• Website and Service Monitoring:
• Monitor and test website performance, ensuring that DHS websites and applications are running smoothly and without interruption.
• Conduct troubleshooting and resolve performance issues for networked services, applications, and websites to ensure continued availability.
• Network Analysis and Planning:
• Assist in network modeling, analysis, planning, and design to optimize the network infrastructure and ensure alignment with DHS’s operational requirements.
• Collaborate with other technical teams to identify areas of improvement and recommend network upgrades or enhancements to increase efficiency and performance.
• Provide expertise in the development of long-term network strategies to meet the evolving needs of the organization.
• Network Security Management:
• Administer and implement network security measures, including configuring firewalls, VPNs, intrusion detection/prevention systems, and access control policies.
• Monitor and analyze network traffic for security threats, ensuring the integrity and confidentiality of data on the network.
• Respond to network security breaches and collaborate with the cybersecurity team to mitigate risks and ensure compliance with security protocols.
• Supervision and Team Collaboration:
• May supervise and provide guidance to computer user support specialists and computer network support specialists, ensuring that tasks are completed efficiently and in line with DHS’s objectives.
• Assist in coordinating and providing technical support for end-users, ensuring high-quality customer service and timely issue resolution.
• Collaborate with other IT teams and departments to address technical challenges, share information, and improve overall network reliability and performance.
• Documentation and Reporting:
• Maintain detailed documentation of network configurations, changes, and incident resolutions, ensuring that all records are accurate and up-to-date.
• Prepare and deliver reports on network performance, security, and infrastructure health to management, identifying areas for improvement and action plans.
• Develop and maintain standard operating procedures (SOPs) for network installation, maintenance, troubleshooting, and security protocols.

Qualifications:

• Education:
• Bachelor’s degree in Information Technology, Computer Science, Network Administration, or a related field. Equivalent work experience may be considered in lieu of formal education.
• Experience:
• 8+ years of experience in network and computer systems administration, with a proven track record of managing and supporting complex networks and systems.
• Extensive experience with LAN, WAN, and Internet systems, including installation, configuration, and troubleshooting.
• Proficiency in administering network security measures, including firewalls, VPNs, and intrusion detection/prevention systems.
• Experience in monitoring, testing, and optimizing network performance to ensure continuous uptime and service availability.
• Experience in supervising or mentoring computer support teams and ensuring high-quality technical support for users.
• Skills and Competencies:
• Strong knowledge of network protocols, technologies, and architecture (e.g., TCP/IP, DNS, DHCP, VPN, BGP, OSPF).
• Expertise in network hardware and software management, including routers, switches, firewalls, and network management tools.
• Ability to diagnose and troubleshoot network issues, providing timely and effective solutions.
• Strong understanding of network security principles, including encryption, access control, and secure communication protocols.
• Excellent analytical skills, with the ability to identify problems and implement solutions quickly and efficiently.
• Proficient in network monitoring tools (e.g., SolarWinds, Nagios, Wireshark, PRTG) and network testing utilities.
• Effective communication skills, with the ability to explain technical issues to non-technical users and stakeholders.
• Strong organizational skills, attention to detail, and the ability to manage multiple tasks in a fast-paced environment.
• Certifications (Preferred):
• Cisco Certified Network Associate (CCNA) or higher certification.
• CompTIA Network+ certification.
• Certified Information Systems Security Professional (CISSP) or other network security certifications.
• Microsoft Certified Solutions Expert (MCSE) or equivalent certifications.

Security Clearance: