Full-Time
Linux System Administrator
DeNOVO Solutions
No salary listed
No H1B Sponsorship
Fort Meade, MD, USA
In Person
US Top Secret Clearance Required
Category
 IT Operations (1) |
|---|
Required Skills
Bash
Puppet
Microsoft Windows
Java
Operating Systems
Perl
Cryptography
C/C++
Linux/Unix
Requirements
- An active Top Secret/Sensitive Compartmented Information full-scope polygraph clearance is required.
- At least 8 years of experience administering Linux/Unix systems is required.
- At least 4 years of experience administering Windows systems is required.
- Experience provisioning, configuring, patching, managing, securing, and hardening systems is required.
- Working knowledge and experience administering virtual machines, including VM clusters using vCenter, is required.
- Experience authoring process and procedure documentation is required.
- Experience developing and implementing system configuration scripts in Perl, Bash, and/or C shell is required.
- Working knowledge of Cisco and/or Dell routers and switches is required.
- Experience configuring Linux firewalls using iptables is required.
- Experience with network address translation and gateway setup is required.
- Experience with remote server management is required.
- Experience with server certificates, encryption, and secure protocols is required.
Responsibilities
- Provide system administration and software support for field exploitation systems within the client program.
- Set up and manage Linux and Windows systems across physical and virtual operating systems, including provisioning, configuration, patching, updates, and platform hardening.
- Perform manual and automated system management across widely dispersed Linux systems.
- Scale systems through virtualization, including scaling from two systems to 200 systems.
- Manage an enterprise-level lab containing servers, storage area networks, network-attached storage, client resources, and virtual machines.
- Administer and configure virtual machines and VM clusters.
- Communicate with software developers and team members to gather requirements and implement solutions.
- Work with developers to understand how existing systems should be virtualized.
- Automate system administration functions, including automatic patch installation.
- Research, evaluate, and recommend methods and products for protecting computer data and applications.
- Develop technical documentation, including system administration architecture documentation and diagrams, configurations, baselines, administrative procedures, and instructions.
- Coordinate with developers to define operational system security requirements, develop System Security Plans and related security documentation, and coordinate system security accreditation and authorizations.
- Assist multiple teams with system security activities.
- Identify security weaknesses and propose technical solutions to mitigate them.
- Upgrade and enhance system functionality based on customer feedback.
- Document system operational functionality, operating system setup and configuration, management tool configuration and use, and system administration processes and procedures.
- Perform laboratory system testing.
- Perform maintenance functions for existing project systems.
Desired Qualifications
- General understanding and experience configuring Linux disk encryption.
- Experience with Linux Volume Manager.
- Experience developing, deploying, and updating software.
- Experience with Java, C++, and C.
- Experience with common integrated development environments.
- Experience with Kickstart.
- Experience with Puppet.
- Experience with Yum.
- Experience using management tools.
- Experience building RPMs.