Systems Administrator Linux

3 days ago

Dahlgren, United States Apex Systems Full time
Apex Systems has an immediate opportunity for a Hybrid Linux Administrator for our client in Dahlgren, VA.
If interested, please respond with a copy of your most up to date resume.
is below
Linux Administrator
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
Qualifications Minimum three - six years (3-6) experience in system administration of Linux-based servers and Linux-based workstations
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)
Must meet DoD 8570 Information Assurance Workforce (IAWF) criteria or Information Assurance Technical (IAT) Level II certification at time of hire (i.e., Security+).
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
Physical Demands:
Must be able to lift up to 10-15 pounds
Must be able to stand and walk for prolonged amounts of time
Must be able to twist, bend and squat periodically
SECURITY CLEARANCE REQUIREMENTS:
Must be able to obtain and maintain a security clearance a minimum of a Top Secret Clearance level per condition of employment

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 *** .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe.
When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning.
We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package.
Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

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