Description

Abacus Solutions Group: We're built on our shared core values! We are difference-makers, passionate about serving, we work hard with integrity and do the right thing. Difference makers means that we look at every opportunity as a chance to make a difference. Passionate about serving means that we are always looking for ways to serve our customers and coworkers. Working hard and doing the right thing with integrity means that for every decision we make we first ask, "Is the decision consistent with our moral and ethical principles". We hire, review, reward and recognize our teammates based on these characteristics, so it is important that you share these values to be part of the team.

Position Overview: We're hiring a Senior System Administrator to join our team at Scott Air Force Base located near O'Fallon, IL. This position is critical to support the USTC . The successful candidate will provide system administration experience to maintain, configure, and reliably operate the functionality and efficiency of one or more operating systems

Location: On-site at Scott Air Force Base

Position Responsibilities:

• Install, configure, and maintain Unix and Linux operating systems and applications.
• Develop and implement standard operating procedures (SOPs) to ensure system security, availability, and performance
• Patch, maintain, and test YUM patch repository for RedHat
• Manage and maintain virtualization environments using Red Hat Enterprise Linux (RHEL) and KVM to ensure efficient resource utilization, scalability, and high availability
• Complete DISA STIG checklist for the systems and write and maintain POA&Ms as required
• Implement, configure, and manage authentication mechanisms in Red Hat Enterprise Linux (RHEL), including LDAP, Kerberos, SSSD, and PAM, to ensure secure user access and identity management 
• Participate in the planning and implementation of system upgrades and new deployments
• Manage, coordinate, and implement software upgrades, patches, hot fixes on servers, workstations, and network hardware
• Ensure compliance with industry best practices and regulatory requirements for system administration and security
• Manage user accounts and access permissions, and maintain system documentation
• Provide technical support to end-users and collaborate with other IT teams to resolve complex technical issues

Requirements

Experience:

• Minimum of ten (10) years of experience
• Expertise in Windows 10 and 11 client infrastructure and Windows Server 2016 and 2019
• Strong understanding of Linux operating systems and associated tools and utilities
• Knowledgeable of Red Hat Enterprise Linux 8 and Unix commands
• Experience with virtualization technologies such as VMware or Red Hat KVM
• Experience with authentication mechanisms in RHEL such as LDAP, Kerberos, SSD, and PAM
• Experience with scheduling tasks in Linux/Unix
• Knowledge of how SQL and Oracle correlate with RHEL
• Knowledge of TCP/IP networking and associated protocols
• Familiarity with cybersecurity best practices and regulatory requirements such as DISA STIGs, FIPS, and NIST guidelines
• Understanding of Tanium, Cisco ISE, HBSS, and Trellex security systems
• Heavy expertise in troubleshooting - ideally having background in service desk and experience with ServiceNow

Education and Certifications:

• Bachelor's degree in computer science, Information Technology or related field 
• Must have at least one of these IAT Level II certifications: Security+ CE, CCNA-Security, CySA+ **, GICSP, GSEC, CND, SSCP
• Must have at least one Computing Environment (CE) certification or certificate for the technical area of responsibility for Network support/defense (e.g., Splunk, Cisco, McAfee, etc.) OR Operating System (e.g., Microsoft, Linux, Solaris, etc.)

Security Qualifications:

• Active Secret security clearance issued by the Department of Defense
• Position is only open to U.S. Citizens

Desired Qualifications:

• Master's degree in relevant field of study
• ITIL Foundations (v3 or higher) certification
• Project Management Professional (PMP) or Google Project Management certification
• One of the IAM Level II certifications: CAP, CASP+ CE, CISM, CISSP (or Associate), GSLC, CCISO, HCISPP
• Experience in using SPLUNK and or WireShark

 Pay & Benefits:

• $53-59/hr
• Full Benefits package! - Medical, Dental, Vision, 401K
• Educational / professional development reimbursement options
• Relocation assistance options

All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations, and ordinances. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements.

Salary Description