Full-Time
Senior Systems Administrator 3
A&M Technologies, Inc.
No salary listed
No H1B Sponsorship
Suitland-Silver Hill, MD, USA
In Person
On-site work in Suitland, Maryland is required.
US Top Secret Clearance Required
Bachelor's
Category
 IT & Security (1) |
|---|
Required Skills
PowerShell
Bash
Citrix
Python
LDAP
Computer Networking
VMWare
Ansible
Linux/Unix
Requirements
- A bachelor's degree in Information Technology, Computer Science, Engineering, or a related field, or equivalent experience.
- At least 8 years of systems administration experience.
- An active Top Secret clearance.
- A Department of Defense 8140/8570-compliant certification, such as Security+ CE or an equivalent certification.
- Strong experience administering Windows Server 2016, 2019, and 2022 and Red Hat Enterprise Linux.
- Experience supporting VMware infrastructure and enterprise storage solutions.
- Experience with enterprise backup and disaster recovery.
- Experience performing patch management and vulnerability remediation.
- Experience with Active Directory, Group Policy, DNS, and DHCP.
- Experience creating technical documentation.
- Strong troubleshooting skills across Windows, Linux, virtualization, and enterprise infrastructure.
- Ability to support on-call operations and after-hours maintenance.
Responsibilities
- Administer, maintain, and troubleshoot enterprise Windows and Red Hat Enterprise Linux server environments.
- Perform installation, configuration, maintenance, hardening, and lifecycle management of enterprise infrastructure.
- Support VMware virtualization environments, including VMware Cloud Foundation, virtual machines, clusters, and virtual desktop infrastructure.
- Support Cisco HyperFlex infrastructure and enterprise storage platforms, including NetApp.
- Perform server patching, vulnerability remediation, and system hardening in accordance with Department of Defense security requirements.
- Maintain Active Directory, Group Policy, DNS, DHCP, certificate services, and authentication services.
- Support enterprise backup, replication, disaster recovery, and Continuity of Operations planning.
- Perform root cause analysis for production incidents and provide advanced troubleshooting support.
- Maintain Citrix infrastructure and other enterprise application platforms.
- Support enterprise monitoring solutions, including SolarWinds.
- Produce and maintain standard operating procedures, runbooks, as-built documentation, system diagrams, capacity plans, and disaster recovery documentation.
- Evaluate emerging technologies and develop proofs of concept for government review.
- Participate in Configuration Control Board activities.
- Coordinate infrastructure upgrades, migrations, and modernization efforts.
- Support Help Desk escalations and participate in an on-call rotation.
- Provide after-hours support for Priority 1 outages with a required two-hour response.
Desired Qualifications
- VMware Certified Professional certification.
- Red Hat Certified System Administrator or Red Hat Certified Engineer certification.
- Experience with Cisco HyperFlex, VMware Cloud Foundation, NetApp Storage, Citrix, SolarWinds, SQL Server, Microsoft Exchange, and virtual desktop infrastructure.
- Experience supporting Cross Domain Solutions.
- Experience supporting Multiple Independent Levels of Security.
- Experience with Security Technical Implementation Guide implementation and compliance.
- Experience supporting Department of Defense or Intelligence Community environments.
- Knowledge of SECNAV M-5239.2.
- Experience with automation using PowerShell, Bash, Python, or Ansible.
- Experience supporting enterprise geographic information systems environments.
- Experience participating in disaster recovery exercises.