Systems Administrator (Linux) - Apex Systems

Job#: 2046170

Job Description:

Linux Administrator

Apex Systems has an immediate opportunity for a Hybrid Linux Administrator for our client in Dahlgren, VA. Qualified candidates will have an Active DOD Top Secret Clearance
If interested in applying, please email a copy of your updated resume AND CompTIA Security+ CE certification to Melissa at [email protected]
Location: Dahlgren, VA - Hybrid (in office 3 days/week)
6 month contract to hire
Pay: $100K-115K
Responsibilities:

• Utilize Red Hat Enterprise Linux system administration experience to provide technical problem solving and in-depth consulting relative to system operations 
• Automate installation methods and system imaging (e.g. Kickstart/Ansible) 
• Use cryptographic experience to set up public key infrastructure (PKI) to create, manage, distribute, use, store, and revoke digital certificates and manage public-key encryption 
• DISA STIG implementation and work within Configuration-Managed Environments
• Analyze, design, and implement modifications to system software to improve and enhance system performance by correcting errors 
• Plan new hardware acquisitions, interact with vendors, educate customers, and collaborate with other projects within the organization 
• Work closely with engineers to help them use workstations and servers to solve their computationally intensive problems 
• Support application installation, license management, software tracking / distribution and backup/recovery of system configurations and user data files 
• Understand and use essential tools for handling files, directories, command-line environments, and documentation
• Operate running systems, including booting into different run levels, identifying processes, starting and stopping virtual machines, and controlling services 
• Configure local storage using partitions and logical volumes 
• Create and configure file systems and file system attributes, such as permissions, encryption, access control lists, and network file systems 
• Deploy, configure, and maintain systems, including software installation, update, and core services 
• Manage users and groups, including use of a centralized directory for authentication 
• Manage security, including basic firewall and SELinux configuration 
• Configure static routes, packet filtering, and network address translation
• Set kernel runtime parameters 
• Produce and deliver reports on system utilization 
• Use shell scripting to automate system maintenance tasks 
• Configuring system logging, including remote logging
• Configure a system to provide networking services, including HTTP/HTTPS, DNS, SMTP, SSH and NTP

• Minimum three - six years (3-6) experience in system administration of Linux-based servers and Linux-based workstations
• CompTIA Security+ certification (or equivalent IAT II certification)
• Ideal Linux Admin will have troubleshooting skills in RHEL 7/8/9 OS and basic knowledge of Networking fundamentals, specifically TCP/IP protocol suite and IP configuration
• In addition, working knowledge of security guidelines and polices (DISA STIGs) and tools (Evaluate-STIG, STIG-Manager)
• Knowledge of / experience with Tenable suite of products (Security Center, Nessus Scanner, Nessus Agent) is a plus
• Seeking specific experience with the following operating systems and services is required: Red Hat Enterprise Linux (RHEL 8.x with RHEL 7.x and/or RHEL9.x a plus)
• Have knowledge of corporate services including: DNS, SMTP, Splunk, Centralized patching solutions such as Red Hat Satellite, Automation solutions such as Ansible Tower / AWX
• Knowledge of / experience with: Single Sign on solutions such as RHSSO; Virtualization platform management systems such as VMWare / VSphere / Vcenter is a plus
• Demonstrated experience managing the installation and maintenance of IT infrastructure
• Experience working in an environment with rapidly changing job priorities
• Experience with Service Now or similar Ticket Management system
• Linux+ or Red Hat Certification preferred

#clearance 

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or 844-463-6178.