SourceFactor's client is a wireless communications company, who provides satellite communication and next gen services to enterprise customers as well as public safety and government customers.

This job is remote, but requires someone who lives in the DC Metro area, so that office visits or emergency issues can be handled quickly. It's remote, but requires a local candidate.

Also, candidates must be US Citizens or Permanent Residents (Green Card Holders.)

We are helping them find a highly skilled and versatile Sr. Network/System Administrator to wear two hats: one as a Cisco Networking expert and the other as a Red Hat Linux Administrator. Working with a team, you will be responsible for ensuring the stability, security, and efficiency of our network infrastructure and Linux server environment both on-prem and in the Cloud.

Primary Responsibilities Include

Provide day-to-day system administration support to assigned systems, new deployments of systems, test, and evaluation of hardware and maintain system documentation.
Monitor and troubleshoot network performance, addressing any connectivity or performance issues promptly.
Assist Senior Network Administrator in day-to-day networking activities, including configuring switch ports, VLAN moves, routing updates, firewall policy updates, and troubleshooting of enterprise and production networks.
Serve as the lead for network security by dealing with cyberattacks. Identify the most effective systems and preventive protocols to handle cyberattacks, malware, and viruses, and monitor networks for any suspicious activity.
Simulate cyberattacks and conduct penetration testing as well as act as our IT liaison for our biennial external cybersecurity assessment.
Administer Linux servers (physical and virtual) including installation, configuration, patching and ongoing maintenance.
Monitor server performance, availability, and security, taking proactive measures to resolve issues.
Collaborate with DevOps and IT team to support application deployment and troubleshooting.
Maintain operating efficiency and stability, ensure the security and integrity of all systems and data, and respond to outages and other issues.
Provide an architectural framework for information system development, maintenance, and enhancement efforts.
Develop and enhance processes and technical documentation; create back-up procedures, test plans and reports.
Communicate frequently with other IT staff and key stakeholders on issues related to system administration; provide customer support as necessary.
Participate in the IT Team On-Call rotation (two weeks of every two months).

Skills Required

Advanced knowledge on TCP/IP, Linux, Cloud Environment, network, and security hardware.
Experience working with enterprise Cisco switches and routers, including port management, VLAN’s, Wi-Fi, etc.
Experience with configuring, administering Linux operating systems in a virtualized and cloud environment.
Hands on experience with Red Hat Enterprise Linux is a plus.
Experience with other cloud hosting platforms such as Azure or Google would be considered a strong asset.
Excellent critical thinking, analytical, and problem-solving skills
Excellent presentation and written communications skills

Education and Qualifications

Bachelor’s degree, or in lieu of a degree, equivalent related work experience
Minimum of 5 - 7 years of experience in infrastructure support
Networking and/or Linux certifications (CCNA, RHCSA, etc.) a requirement
Minimum 3 years of recent experience Linux Systems Administration
You can work both independently or as part of a team
MUST be able to demonstrate excellent ability to collaborate, compromise, support team members, and show empathy.

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