Systems Administrator (UnixLinux) Navy Top SecretSCI Required

Dahlgren, VA - USA

Monthly Salary: Not Disclosed

Posted on: 30+ days ago

Vacancies: 1 Vacancy

Job Summary

cFocus Software seeks a Systems Administrator (Unix/Linux) to join our program supporting the Department of Defense (DoD). This position is remote. This position requires the ability to obtain a Top Secret/SCI clearance.
Qualifications:

Three (3) years of professional experience in Unix and/or Linux system administration of networks and software systems.
Experience in system backup and recovery; basic software management; security management and library management; installation and configuration of hardware; operational systems and COTS software; operating computer systems in different operating environments; and sizing performance tuning hardware/software/network trouble shooting and resource allocation.
Qualified experience in different network protocols including TCP/IP and major network security tools such as: firewalls knowledge of computing and networking vulnerabilities attach methods and latest detection methods
Active DoD IAT Level II certification

Duties:

Administer maintain and optimize Unix/Linux servers to ensure high availability and performance.
Perform system installations upgrades and patches in accordance with approved change control procedures.
Monitor system performance and capacity identifying and resolving technical issues proactively.
Manage and maintain user accounts permissions and access controls in compliance with DoD security policies.
Implement and monitor system backups disaster recovery and business continuity processes.
Develop and maintain system documentation standard operating procedures (SOPs) and configuration baselines.
Support integration of Unix/Linux systems with other enterprise platforms and applications.
Troubleshoot and resolve complex system and network issues escalating as necessary to engineering teams.
Collaborate with cybersecurity personnel to ensure systems meet compliance requirements such as STIGs and RMF controls.
Assist with vulnerability scanning patch validation and remediation efforts to maintain system security posture.
Participate in system audits inspections and accreditation activities as required by the PWS.
Provide Tier III support and mentorship to junior administrators and technical support personnel.
Perform system monitoring and generate operational reports on uptime capacity and incident metrics.
Support automation efforts using scripting languages (e.g. Bash Python Ansible) to streamline administrative tasks.
Participate in after-hours maintenance windows and on-call rotations to support mission-critical systems

Required Experience:

Senior IC

Three (3) years of professional experience in Unix and/or Linux system administration of networks and software systems.
Experience in system backup and recovery; basic software management; security management and library management; installation and configuration of hardware; operational systems and COTS software; operating computer systems in different operating environments; and sizing performance tuning hardware/software/network trouble shooting and resource allocation.
Qualified experience in different network protocols including TCP/IP and major network security tools such as: firewalls knowledge of computing and networking vulnerabilities attach methods and latest detection methods
Active DoD IAT Level II certification

Duties:

Administer maintain and optimize Unix/Linux servers to ensure high availability and performance.
Perform system installations upgrades and patches in accordance with approved change control procedures.
Monitor system performance and capacity identifying and resolving technical issues proactively.
Manage and maintain user accounts permissions and access controls in compliance with DoD security policies.
Implement and monitor system backups disaster recovery and business continuity processes.
Develop and maintain system documentation standard operating procedures (SOPs) and configuration baselines.
Support integration of Unix/Linux systems with other enterprise platforms and applications.
Troubleshoot and resolve complex system and network issues escalating as necessary to engineering teams.
Collaborate with cybersecurity personnel to ensure systems meet compliance requirements such as STIGs and RMF controls.
Assist with vulnerability scanning patch validation and remediation efforts to maintain system security posture.
Participate in system audits inspections and accreditation activities as required by the PWS.
Provide Tier III support and mentorship to junior administrators and technical support personnel.
Perform system monitoring and generate operational reports on uptime capacity and incident metrics.
Support automation efforts using scripting languages (e.g. Bash Python Ansible) to streamline administrative tasks.
Participate in after-hours maintenance windows and on-call rotations to support mission-critical systems