Linux Sys Admin

  • Linthicum, MD
  • Posted 49 days ago | Updated 11 hours ago


On Site
Full Time


Microsoft Windows Server
Red Hat Linux
Government contracts
Problem solving
Configuration Management
Data storage
Risk management
IT security
Regular expression
Security clearance
Red Hat Enterprise Linux
Computer hardware
Server administration
Computer networking
Active Directory
IT service management
Oracle Application Express
Microsoft Windows
Malware analysis
Information architecture
Risk management framework
Software deployment
Customer engagement

Job Details

Job#: 2026480

Job Description:
Apex Systems is seeking a well-qualified Systems Administrator to join a large DoD integrator in Linthicum, MD. The selected candidate will be required to work on-site, full-time, in Linthicum, MD campus.
Responsibilities will include but not be limited to the following:
Perform as a Linux/Redhat Systems Administrator for a classified government contract.
Perform as a Windows Systems Administrator for a classified government contract.
Analyze internal and external customer requirements and determine equipment and software requirements for solutions to problems by means of automated systems.
Recommend and implement system enhancements that will improve the performance and reliability of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management.
Provide backup and recovery services, manage data storage devices, and implement/upgrade/update virus and malware protection on a routine basis.
Create and maintain user and computer accounts and modify file permissions and security access lists.
Develop and document technical processes and procedures as needed.
Interact, meet, discuss, and troubleshoot issues with vendors and evaluate vendor products, services, and suggestions.
Familiarity with DoD STIGs, deploying new STIGs & working with IT/IA to develop POA&Ms for vulnerabilities that cannot be mitigated or STIG settings that cannot be applied.
Understand vulnerability and risk mitigation in accordance with RMF & DoD JSIG standards..
Prepare security documentation for input to Computer Security.
Experience with Splunk to include managing/maintaining indexers, search heads and deployment servers, creating and maintaining dashboards for users, creating custom extracts/regular expressions, familiarity with Splunk Query Language, and the ability to deploy new Splunk servers.
Basic Qualifications
Associates degree and 7 years of experience, or Bachelor's degree and 5 years of experience, or Master's degree and 3 years of experience; a High School diploma or equivalent with 9 years of experience may be considered in lieu of a completed degree.
Active DoD Secret security clearance is required on Day 1 of employment; maintaining the required security clearance will be a condition of continued employment.
IAM Level I certification (ex: Security+ CE) or greater required on Day 1 of employment; maintaining the required certification will be a condition of continued employment.
Experience managing Redhat Enterprise Linux OS.
Experience managing Windows Server OS and domain architecture.
Preferred Qualifications:
Bachelor's or Master's degree in IS related field.
Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments.
Experience installing, configuring, and maintaining computer hardware in a networked environment.
Server management experience.
Understanding of basic networking, including subnets, routing, and VLANs; Cisco experience and/or certification.
Windows AD, LDAP, VMWare, and knowledge of SAN storage systems.
Knowledge of environmental monitoring tools (HBSS/Solar Winds/Splunk).
Rudimentary Scripting experience.
DoD 8570 Certification in a primary OS (Windows, Linux, Cisco).?

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 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.

About Apex Systems