Senior Network & Systems Security Lead — Onsite

Sirius Talent Group; Lutz (FL); On-site; USD 90,000 - 130,000; Full time

Job summary

Sirius Staffing in Lutz, FL is seeking a Senior Network & Systems Security Analyst to design, implement, secure, and support our network, server, and storage infrastructure. You will troubleshoot infrastructure issues, maintain security controls, and mentor Level 1 analysts while leading small projects onsite.

The role emphasizes hands-on engineering, disaster recovery planning, and technical direction across Windows Servers, VMware, Cisco networking, SAN, firewalls, and AD/DNS/DHCP.

Qualifications

• 6+ years of hands-on experience with Windows Servers, VMware, SAN, and firewall support.
• Strong knowledge of switching, routing, DNS/DHCP, Active Directory, VMware, firewalls, hardware support, and cybersecurity best practices.
• Ability to troubleshoot complex network/server infrastructure and provide technical direction to project teams.
• Must have at least one associate-level and one senior-level certification, such as: MCSA, MCSE, VCP, CCNA, CCNP, CEH, GIAC, or CISSP.

Responsibilities

• Plan, design, implement, and support network, server, and storage infrastructure.
• Monitor, troubleshoot, diagnose, and resolve server and network issues using the OSI model and other methods.
• Install and configure network/server hardware and software according to security standards.
• Support Windows Servers, VMware, Cisco networking, SAN, firewalls, AD, DNS/DHCP, switching, and routing.
• Monitor systems and modify configurations to correct outages, errors, or performance issues.
• Provide second-level support for security systems and authentication mechanisms.
• Support IT security controls and cybersecurity best practices across operating systems, firewalls, and network devices.
• Participate in disaster recovery planning, testing, maintenance, and documentation.
• Design and support small projects and provide technical leadership, consulting, and peer mentoring.

Skills

Windows Servers

VMware

Cisco networking

SAN

Firewalls

Active Directory

DNS/DHCP

Switching & Routing

Cybersecurity best practices

Education

Bachelor's degree in Computer Science, Engineering, Math, MIS, or related IT discipline

Associate degree + 4 years of related experience may be considered

Job description

Sirius Staffing in Lutz, FL is seeking a Senior Network & Systems Security Analyst to design, implement, secure, and support our network, server, and storage infrastructure. You will troubleshoot infrastructure issues, maintain security controls, and mentor Level 1 analysts while leading small projects onsite.

The role emphasizes hands-on engineering, disaster recovery planning, and technical direction across Windows Servers, VMware, Cisco networking, SAN, firewalls, and AD/DNS/DHCP.