Unix System Administrator

1 month ago

Chicago, United States Programmers.io Full time

We are looking for a qualified individual to join a fast-paced, dynamic team involved in application team server architectural design and server resource planning/building/deployment.


The candidate will be responsible for implementation of Unix projects and securing the environment including planning, execution, installation, closure and turnover to the support team.

-Implement security direction and strategy for UNIX environment

-Create, update and maintain Unix application team architectural diagrams

-Design and integrate new security technology into Northern’ s environment

-Participate in gathering technical and business requirements for new server builds

-Ensure projects are following Northern standards.

-Work with project teams to complete tasks and initiatives

-Work with application owners and vendors to resolve technical issues


EXPERIENCE REQUIRED:

The ideal candidate would have:

• Ability to create infrastructure diagrams for the UNIX environment for each project.

• Solid technical background in administering large-scale Unix Server environments

• Ability to work with technical staff and partners to design, implement, troubleshoot complex server environments and situations.

• Experience in a highly visible role working on multiple projects at the same time.

• Ability to communicate technical concepts to non-technical business partners.

• Ability to use automation scripts and tools of processes/procedures for projects assigned


TECHNICAL QUALIFICATIONS (must have):

Minimum of 5 years’ experience in:

- 5 years of hands on experience installation, configuration and troubleshooting Red Hat Linux Operating System ( versions 5.x-9.x)

- 3 years of infrastructure design and creating architectural diagrams for multiple server build environments

- 3 years of hands on experience with Unix OS hardening within an enterprise based on industry benchmarks (CIS)

- 2 years of experience working on Filesystems (VXFS, ZFS, EXT3, EXT4, XFS, UFS) and Volume Managers (VXVM, LVM)

- General networking communication protocols and security tools.

- Strong understanding of Unix security principles and SELinux

- Hands on experience with implementing auditd and/or security products and sudo

- Hands on experience with setting up, maintaining and migrating LDAP services

- Implementation of Linux/Unix Security Tools

- Securing connections using SSL, TLS for Unix services.

- Virtualization of Linux virtual machines using VMware.

CANDIDATE QUALIFICATIONS - Skills Required:

- Strong troubleshooting skills

- Ability to architect Unix security solutions based on an application's required availability

- Strong written and verbal communication skills

- Strong documentation skills

- Ability to organize and manage several projects concurrently

- Service oriented and able to manage partners expectations

- Ability to work in a team atmosphere

- Technically train/mentor staff members

- Strong presentation skills (to both technical and nontechnical audience)

- Ability to collaborate with other teams to achieve results

- Experience developing processes/procedures/Automation

- Large scale configuration management of cross-platform systems


ADDITIONAL QUALIFICATIONS (good to have)

- Familiarity with Solaris (versions 10.x-11.x, LDOM/Zones) helpful

- Familiarity with AIX (version 7) helpful

- Messaging systems concepts (e.g. MQ)

- Oracle RAC on RedHat

- Network Load Balancer concepts (F5/BigIP)

- DNS

- AIX and Solaris knowledge

- Various Scripting disciplines (Shell, Python, Perl, Ansible YAML)

- Configuration management tools (Ansible or CFEngine a plus)

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