System Administrator

Straffic America, LLC
Fairfax, United States of America
10 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Intermediate

Job location

Fairfax, United States of America

Tech stack

Microsoft Windows
Backup Devices
Bash
CompTIA Network+
Computer Security
Dynamic Host Configuration Protocol
Desktop Computing
Disaster Recovery
DNS
Identity and Access Management
Information Technology Operations
Networking Hardware
Virtual Private Networks (VPN)
Python
Networking Basics
Powershell
Azure
TCP/IP
User Provisioning Software
Wi-Fi Technology
Software Licensing
Network Routers
Scripting (Bash/Python/Go/Ruby)
Software Troubleshooting
Firewalls (Computer Science)
Information Technology
Patch Management
Laptops
Gsuite
Firewall Services Module
Server Operating Systems & Platforms

Job description

The System Administrator is responsible for maintaining, monitoring, and optimizing the company's IT infrastructure, systems, networks, and security environment. This role ensures stable system performance, secure access, and efficient IT operations while supporting employees with day-to-day technical needs. The ideal candidate has hands-on experience in system administration, cloud platforms, cybersecurity fundamentals, and troubleshooting within a small-to-mid-size enterprise environment., Infrastructure & Systems Management

  • Manage, monitor, and maintain on-premises and cloud-based server environments.
  • Support and configure network equipment including routers, switches, firewalls, VPNs, and Wi-Fi systems.
  • Install, configure, and maintain desktops, laptops, mobile devices, printers, and IT peripherals.
  • Administer Microsoft 365, Azure AD, Google Workspace, or equivalent cloud platforms.
  • Perform system updates, patch management, and configuration improvements.

Cybersecurity & Compliance

  • Monitor and respond to security incidents, alerts, and vulnerabilities.
  • Manage endpoint protection, email security solutions, MFA, and firewall policies.
  • Conduct security assessments, enforce security standards, and support compliance frameworks (SOC, NIST, ISO preferred but not required).
  • Maintain backup, disaster recovery, and business continuity procedures.
  • Manage identity and access control including user provisioning and permission reviews.

IT Support & Operations

  • Provide Tier 1/2 technical support for hardware, software, and network-related issues.
  • Manage IT asset inventory, software licensing, hardware procurement, and vendor coordination.
  • Document IT procedures, troubleshooting steps, and user guides.
  • Support onboarding/offboarding processes including account setup, access management, and device preparation.

Project & Cross-Functional Support

  • Support IT infrastructure upgrades, cloud migration initiatives, and security enhancement projects.
  • Collaborate with headquarters and cross-border IT teams to align global standards and best practices.
  • Assist with technical documentation for RFP/RFI submissions related to IT or security requirements.

Requirements

Do you have experience in VPN management?, * 3+ years of hands-on experience in system administration or IT infrastructure

  • Experience with Microsoft 365, Azure AD, or similar platforms
  • Knowledge of networking fundamentals (TCP/IP, DNS, DHCP, VPN, firewalls)
  • Experience with endpoint protection and basic cybersecurity practices
  • Strong troubleshooting and problem-solving skills
  • Ability to manage multiple priorities in a fast-paced environment

Preferred Qualifications

  • Experience with scripting (PowerShell, Bash, Python)
  • Certifications: CompTIA Network+, Security+, Microsoft, or equivalent
  • Experience in small-to-mid enterprise environments or multi-site organizations

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