Linux Systems Administrator

1 month ago

San Diego, California, United States M9 Solutions Full time

M9 Solutions is a leading provider of IT services and solutions to the Federal Government, seeking a highly skilled Linux Systems Administrator to join our team. As a key member of our infrastructure team, you will be responsible for designing, implementing, and managing lab infrastructure to meet customer requirements.


Responsibilities



  • Design and implement workgroup-scale networks
  • Build, configure, administer, and troubleshoot Linux servers and user workstation hardware and software
  • Design and implement authentication, file-share, and other collaboration servers to support groups of heterogeneous client systems
  • Work with cyber security staff to develop and apply hardening steps to systems for classified use to security controls and other customer standards
  • Document system configuration for new and existing systems
  • Proactively maintain and develop all Linux infrastructure technology to maintain a 24x7x365 uptime service
  • Engineer systems administration-related solutions for various project and operational needs
  • Maintain best practices on managing systems and services across all environments
  • Fault find, analyze, and log information for reporting of performance exceptions
  • Proactively monitor system performance and capacity planning
  • Manage, coordinate, and implement software upgrades, patches, hot fixes on servers, workstations, and network hardware
  • Create and modify scripts or applications to perform tasks
  • Provide input on ways to improve the stability, security, efficiency, and scalability of the environment
  • Collaborate with other teams and team members to develop automation strategies and deployment processes

Requirements



  • Work Authorization: US Citizenship
  • Active Top Secret/SCI clearance
  • Typically, a bachelor's degree in computer science, information technology, or related technical discipline
  • A combination of the following: Linux+, RHCE, RHCSA, LPIC- 1: Linux Administrator, LPIC- 2
  • Linux Engineer or LPIC- 3: Enterprise Linux Professional Certification
  • 5+ years of experience working as a Linux Administrator
  • In-depth knowledge of Linux: RedHat, CentOS, Debian, etc.
  • Familiarity with VMWare and virtualization concepts and/or Docker or Podman Containers
  • Shell, Perl, and/or Python scripting
  • Solid knowledge of protocols such as DNS, HTTP, LDAP, SMTP and SNMP
  • Knowledge of existing virtual machine and cloud technologies including principles and methods of scalability to match workloads
  • Knowledge of multiple specialties such as operating systems, database platforms, storage technologies, including knowledge of administering operating systems like Red Hat Enterprise Linux and Microsoft Server
  • Demonstrated experience working on remote Systems via use of command line
  • Hands-on experience integrating Linux servers in Active Directory (or using LDAP/Kerberos)
  • Experience installing and configuring basic services including httpd/Apache, vftpd and sshd
  • Ability to arrange things or actions in an order or pattern according to a specific rule or set of dependencies
  • Experience with operating system update services such as WSUS, YUM or DNF
  • Knowledge of the following technologies: Ansible modules, PowerShell scripting, ELK Stack and Trellix Anti-Virus and integrating Linux with Windows Active Directory
  • Customer service oriented, with the ability to understand and act on customer needs and priorities
  • Self-motivated with strong attention to detail and problem solving skills
  • Flexibility in approach to finding solutions
  • Ability to learn new technologies quickly
  • Ability to work well as a member of a team and independently
  • Strong verbal and written communication skills, with the ability to use those skills to present information to a diverse population (technical and non-technical)

Preferred Skills & Qualifications



  • Experience with centralized authentication technologies such as LDAP and Active Directory domains in supporting (Windows/Linux) cross-platform clients
  • Experience with enterprise-level Windows Server operating environments, including Windows
  • Active Directory, Group Policy Management, SharePoint, Exchange services
  • Experience with monitoring solutions such as ELK Stack
  • Amazon Web Services (AWS): EC2, S3 and EFS storage
  • DevOps and/or DevSecOps
  • Experience implementing Ansible modules and configuration management with Git
  • Parallel system architectures, designing for high availability, performance benchmarking, multi-level security, STIG hardening and compliance, encryption in motion, data at rest encryption, software designed data center (SDDC)
  • Agile design methodologies
  • Knowledge of encrypted communications and information security/assurance/cyber policies and procedures

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