System Engineer

Paladin Consulting; Dallas (TX); On-site; USD 80,000 - 110,000; Full time

Job summary

A technology consulting firm based in Dallas is looking for a Systems & Security Engineer to oversee critical infrastructure. The role requires a security-minded professional with experience in networking and systems. Responsibilities include managing datacenter environments, configuring networking setups, and mentoring junior staff. This position is essential for ensuring the security and reliability of IT operations.

Qualifications

• 3–5 years of experience in systems, security, and networking.
• Strong record of independent troubleshooting.
• Professionalism and communication skills suited for any level.

Responsibilities

• Oversee and support the Hyper-V datacenter environment.
• Configure and manage networking infrastructure.
• Drive security operations by managing vulnerability scans.
• Mentor Helpdesk and junior IT staff.

Skills

Hyper-V environments

Cisco-based Layer 2 networking

Firewall management

Windows 365 administration

Independent troubleshooting

Job description

Overview

Job Title: Systems & Security Engineer

Duration: Direct hire

Our client is hiring a Systems & Security Engineer to help support and secure their critical infrastructure including networking, virtualization, cybersecurity, systems administration, and hands-on escalation support. The ideal candidate is technically sharp, operationally reliable, and security-minded professional who enjoys variety, thrives under responsibility, and sees mentorship and collaboration as part of the job.

Responsibilities

• Oversee and support the Hyper-V datacenter environment, including ERP-connected SQL workloads, backup solutions, NetApp storage, and physical host systems.
• Configure and manage networking infrastructure such as Layer 2 switches, VLANs, trunking, cabling, and edge devices (Cisco, Meraki, UniFi).
• Administer and monitor firewalls, site-to-site VPNs, routers, and user access technologies to ensure reliable connectivity and security.
• Drive security operations by managing vulnerability scans, patching, system hardening, endpoint protection, and perimeter defense monitoring.
• Investigate, respond to, and remediate security alerts or user-reported incidents, including after-hours resolution when necessary.
• Maintain and enforce identity and access management policies across Office 365 tenants, Active Directory, and collaboration platforms.
• Serve as an escalation point for the Helpdesk team, providing coverage during high demand or staff absences.
• Develop, document, and uphold standard operating procedures and technical guidelines for systems and security operations.
• Assess, test, and deploy new tools, third-party services, and infrastructure enhancements in partnership with the IT team.
• Collaborate with all internal stakeholders — from staff to executives — to resolve technical issues and gather requirements.
• Mentor Helpdesk and junior IT staff, fostering a collaborative and solutions-oriented culture within the team.
• Participate in the on-call rotation, providing backup coverage and addressing urgent security or infrastructure issues as required.

Required Skills & Qualifications

• 3–5 years of experience across systems, security, and networking functions
• Hyper-V environments, server/storage management, and backup solutions
• Cisco-based Layer 2 networking (VLANs, trunking, switch configs, cabling)
• Firewalls, VPNs, conditional access, MFA, and endpoint protection
• Microsoft 365 administration and multi-tenant support
• A strong record of independent troubleshooting and responsible change management
• Professionalism and communication skills suited to C-level and frontline staff alike
• A team-first, initiative-driven work style — able to execute without micromanagement

Preferred Skills & Qualifications

• PowerShell scripting or automation experience
• Exposure to user security training or awareness programs
• Familiarity with CIS/NIST-aligned best practices and hardening standards
• Previous experience in smaller teams with wide access across the tech stack

Seniority level

• Associate

Employment type

• Full-time

Job function

• Information Technology

Industries

• IT Services and IT Consulting