Linux and Network Administrator (WFH) - #34141

Manila Recruitment; United States; Remote; USD 60,000 - 100,000; Full time

Job summary

An established industry player is seeking a skilled Linux Network Administrator to ensure seamless IT operations. In this pivotal role, you will manage network infrastructure, provide technical support, and maintain Linux servers, all while implementing security best practices. Ideal candidates will have a strong background in Linux administration, network management, and cybersecurity principles. Join a team that values proactive problem-solving and effective communication, and contribute to a dynamic environment where your expertise will make a significant impact. If you're ready to take on challenges and drive operational excellence, this opportunity is for you.

Qualifications

• 5+ years of experience in Linux system administration and network operations.
• Proficient in at least one Linux server environment (Ubuntu, Red Hat, CentOS).
• Strong understanding of cybersecurity principles and SOC best practices.

Responsibilities

• Configure, monitor, and maintain LAN/WAN infrastructure for optimal performance.
• Implement security best practices and ensure systems are regularly audited.
• Diagnose and resolve hardware, software, and network issues promptly.

Skills

Linux System Administration

Network Operations

Scripting (Bash, Python)

Firewall Administration

TCP/IP and Routing Protocols

Cybersecurity Principles

Conflict Management

Time Management

Education

Bachelor’s Degree

Tools

iptables

OpenVPN

Fail2ban

Wazuh

Job description

As a Linux Network Administrator, you will provide technical and operational first-line IT support to the business to ensure continuous operational effectiveness. You may also provide second-line support for specific IT products, systems, and third-party applications as needed.

Duties and Responsibilities:

• Network Management: Configure, monitor, and maintain LAN/WAN infrastructure, routers, and switches to ensure optimal network performance.

• When required, provide after-hours first-line technical support to all staff members

• Linux Administration: Install, configure, and maintain Linux servers (e.g., CentOS, Ubuntu, Red Hat), including routine patching and upgrades

• Security & Hardening: Implement security best practices (firewalls, IDS/IPS, VPN) and ensure systems are regularly audited and patched

• Ensure all work is captured in the logging/ticketing system and close calls as needed

• Ensure that company staff members are always treated as valued customers

• Monitor and report any system alerts to line management. Meet with the team weekly to discuss problems and progress

• Troubleshooting: Diagnose and resolve hardware, software, and network issues promptly, including on-call escalation support

• Scripting & Automation: Develop scripts (Bash, Python) to automate routine administrative tasks, reducing manual workload

• Assist the IT Manager with daily tasks

• Ensure the knowledge management system is always updated with required solutions and documentation

• Maintain computer-related equipment registers

• Ensure that all naming conventions are followed

• Ensure strict compliance with internal processes and policies, including adherence to the Authority Matrix and MAPs guidelines

• Attend all required meetings and assist with any ad-hoc tasks or projects assigned by the Technology Management team

• Attend all assigned training, even if scheduled outside regular hours

• Minimum of 5 years of experience in Linux system administration and network operations

• Proficient in at least one Linux server environment (Ubuntu, Red Hat, CentOS)

• Experience with firewall administration (iptables, firewalld, or similar)

• Solid understanding of TCP/IP, routing protocols (OSPF, BGP), VLANs, and VPNs.

• Strong understanding of cybersecurity principles and SOC best practices

• Conflict management skills

• Planning and problem-solving skills

• Effective time management skills

• Excellent English communication skills, both written and verbal, to effectively communicate with foreign counterparts

• Proactive and positive mindset and attitude toward work

Advantageous Experience/Skills:

• Bachelor’s Degree

• Experience with the following:

o Advantageous skills or nice-to-haves:

o iptables

o OpenVPN knowledge

o Fail2ban

o Wazuh

o Networking

o Systems Administration

Interested candidates may send CV to [e-mail]