C
Covenant Technologies
Security Systems Network Engineer
Skills
CybersecurityLinux
5 days ago
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Important information
Contract type:
Freelance / Contract
Location:
United States
Work mode:
Onsite
Published on:
16 October 2026
What they need
Company
- Our client is an established organization in the healthcare distribution industry, specializing in products and services that support vision care professionals. The company is undertaking a major technology transformation initiative focused on modernizing its infrastructure, strengthening cybersecurity, and improving operational efficiency.
Job Title
- Security Systems Network Engineer
Location
- Remote in the US
Role Type
- 6-month contract
Must Have Skills:
- Strong hands-on systems administration experience across Linux, Windows Server, and VMware ESXi, including configuration, troubleshooting, and infrastructure remediation.
- Strong networking experience with Cisco and Dell switches, routers, and firewalls, including Linux iptables and OPNsense.
- Experience configuring and integrating infrastructure logging across servers, networking devices, and firewalls into a centralized SIEM platform.
- Hands-on experience with Active Directory, Microsoft 365 Premium, and Microsoft Entra ID, including identity management, authentication, and SSO integrations.
- Ability to independently execute technical remediation, configure systems, troubleshoot infrastructure issues, and implement security improvements in a complex environment.
Responsibilities and Job Details:
- Play a key technical role in a large-scale infrastructure and security transformation initiative.
- Perform hands-on configuration, administration, troubleshooting, and remediation across Linux, Windows Server, and VMware ESXi environments.
- Configure, maintain, and troubleshoot network infrastructure, including Cisco and Dell switches, routers, and firewalls.
- Implement and enhance network security controls, including firewall policies, Linux iptables, and OPNsense configurations.
- Configure and integrate centralized logging across servers, networking equipment, and security devices into a SIEM platform.
- Administer and support Active Directory, Microsoft Entra ID, and Microsoft 365 environments.
- Configure and troubleshoot identity management, authentication, access controls, and single sign-on integrations.
- Identify infrastructure vulnerabilities, configuration gaps, and security risks, executing technical remediation to strengthen the overall security posture.
- Independently diagnose and resolve complex systems, networking, and security issues.
- Collaborate with technical stakeholders to support infrastructure modernization and security improvement initiatives.
- Take ownership of hands-on engineering tasks, driving technical solutions from identification through implementation and validation.
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