Systems Administrator ensuring business-critical systems remain reliable and compliant across hybrid infrastructure. Empowering teams through automation, monitoring, and incident response in dynamic work environment.
Responsibilities
Administer Windows Server (2016–2022): AD, GPO, DNS/DHCP, IIS; manage patching and hardening
Administer AlmaLinux/RHEL: systemd, SELinux basics, users/groups, storage, networking, patching
Build automation and configuration with Puppet; provision infrastructure with Terraform
Monitor availability and performance with Site24x7; create/run runbooks; perform RCA and post-incident reviews
Follow PCI DSS and SOC 2 controls: least privilege, change management, patch cadence, logging, access reviews, evidence collection
Support application rollouts across dev/test/prod; participate in capacity planning and cost optimization in AWS
Maintain documentation (standards, diagrams, procedures) and contribute to continuous improvement
Participate in on-call rotation (approximately 1 week every 3 weeks)
Requirements
3–5 years in production systems administration across Windows and Linux
2+ years hands-on with AWS operations and security best practices
Proficiency with PowerShell and Bash; Git-based workflows
Practical experience with Puppet and Terraform
Strong troubleshooting across OS, network, and cloud layers; understanding of VPNs, routing, load balancers, TLS
Familiarity with ITSM and change workflows using Jira and ServiceNow
Security mindset and experience operating under PCI and SOC 2
Degree in Computer Science/IT or equivalent practical experience
Desired Certifications: AWS Associate (SysOps or Solutions Architect), RHCSA/RHCE, Microsoft (Windows Server/AD)
The following are considered a strong asset: Scripting with Python; CI/CD exposure; Web stacks (IIS, Nginx/Apache), RDS basics, container fundamentals; VMware/Hyper‑V experience; backup/restore tooling knowledge
Benefits
Thrive in an award-winning, innovation-driven culture that champions growth, embraces diversity, and fosters inclusion for all. See our awards →
Earn competitive pay with annual performance-based bonuses that recognize your impact
Invest in your future with our 401(k) plan featuring company matching
Stay healthy with comprehensive medical, dental, and vision coverage, plus HSA and FSA options
Recharge with paid vacation and sick days — and a paid day off for your birthday
Make an impact with two paid volunteer days to give back to your community
Advance your skills with free access to LinkedIn Learning and our education reimbursement program
Prioritize your mental health with a free premium Headspace membership
Stay active with our on-site fitness center
Refuel at fully stocked refreshment stations with complimentary drinks and snacks
Enjoy exclusive perks with access to “Tickets at Work” discounts and memberships
System Administrator supporting a federal client in managing secure cloud - based solutions, focusing on AWS and compliance. Role involves system engineering and support for AWS services.
Infrastructure/Systems Administrator role maintaining IT infrastructure at CACI. Collaborating in a fast - paced environment with advanced systems analysis techniques and security measures.
Cross Domain Solutions Systems Administrator supporting USAF missions in secure cloud architectures. Modernizing global multi - cloud environments with technical leadership in cloud engineering.
System Administrator II maintaining RedHat Linux VMs in cloud infrastructure at Quevera. Collaborating with developers and dev ops to ensure system compliance and performance.
Systems Administrator supporting the Department of Defense customer at Joint Base MDL. Maintaining Windows and Linux server environments for critical development, test, and operational systems.
Systems Administrator managing mobile device resolutions and collaborating with support teams at Walmart Global Tech. Engaging with L3 engineering as needed for high - quality problem resolutions.
Project Information & Systems Administrator for the Finance team at Zaha Hadid Architects. Administering and maintaining Project Information Management system with a focus on data accuracy and support.
Information Technology Systems Administrator supporting the Defense Innovation Unit at HII's Mission Technologies division. Focused on technical support and troubleshooting assistance to end users.
System Administrator managing ticketing systems for transportation solutions. Collaborating on software updates and maintaining operational documentation with a focus on mobility.
Linux Administrator managing cloud infrastructure for WPspace, providing monitoring, support, and automation tasks. Working in a dynamic environment to ensure optimal performance and innovation.