CI/CD Splunk Ansible Grafana Equities Scripting Terraform DevSecOps Operations Automation Innovation Resilience Kubernetes Reliability Market Data Group Policy Communication Linux Servers ISO/IEC 20000 Change Control Cyber Security Prioritization VMware VSphere Virtualization Windows Servers Microsoft Azure Sprint Planning Ancient History Customer Service Computer Science Active Directory Operating Systems Agile Methodology Docker (Software) Microsoft Windows CompTIA Security+ Inventory Staging Windows PowerShell Cloud Technologies AWS CloudFormation Development Testing Amazon Web Services Elastic (ELK) Stack Software Development IT Service Management System Administration Information Technology Software Documentation Configuration Management Red Hat Enterprise Linux Bash (Scripting Language) Public Key Infrastructure, Are you a seasoned Systems Administrator who thrives on solving complex technical challenges and keeping mission-critical environments operating at peak performance? Are you passionate about modern infrastructure, automation, and enabling Agile software development in support of national security?, As a Senior Systems Administrator, you will administer, secure, and optimize enterprise Windows and Linux environments supporting development, test, integration, and production systems. You’ll play a critical role in ensuring highly available, resilient, and secure infrastructure while partnering with Agile teams to continuously improve system performance, reliability, and operational efficiency., * Administer and maintain Windows and Linux server environments.

• Install, configure, patch, and upgrade operating systems and enterprise applications.
• Monitor system health, performance, capacity, and availability.
• Support Agile development teams by provisioning and maintaining development, test, staging, and production environments.
• Implement infrastructure changes through established configuration management and change control processes.
• Troubleshoot hardware, software, networking, and storage issues to minimize downtime.
• Collaborate with DevSecOps engineers to automate system administration tasks using scripting and Infrastructure as Code (IaC) tools.
• Maintain compliance with IC cybersecurity requirements, RMF controls, STIGs, and security policies.
• Perform vulnerability remediation, security patching, and system hardening.
• Support virtualization platforms such as VMware vSphere or Nutanix.
• Manage Active Directory, Group Policy, DNS, DHCP, PKI, and identity management services.
• Develop and maintain system documentation, standard operating procedures, and architecture diagrams.
• Participate in Agile ceremonies including sprint planning, backlog refinement, standups, and retrospectives.
• Provide Tier III operational support and participate in after-hours maintenance windows as required., Equities Operations Purchasing Upskilling Market Data Cryptography Change Control Key Management Network Routing Ancient History Customer Service Network Switches Network Security Complex Networks Agile Methodology Help Desk Support Analytical Method Customer Inquiries Data Center Design Local Area Networks System Optimization Time Off Management Security Engineering Technical Assistance Signals Intelligence Independent Thinking System Administration Information Assurance Scaled Agile Framework Vulnerability Management Vulnerability Assessments Public Key Infrastructure Computer Network Operations Troubleshooting (Problem Solving) Software Configuration Management Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0

Google IT Support

Salesforce Admin

Salesforce Developer Systems Administrator Leidos

Reston, VA*On-Site

Equities Scripting Ingenuity Management Automation Creativity Scalability Reliability Market Data User Accounts Access Controls Ancient History Active Directory Technical Issues IT Infrastructure Windows PowerShell Workflow Management Amazon Web Services Resource Utilization Server Infrastructure Functional Specification Microsoft Operating Systems Security Requirements Analysis Troubleshooting (Problem Solving) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0

Salesforce Admin

Salesforce Developer Mid/Sr. System Administrator Leidos

Annapolis Junction, MD*On-Site

Splunk Ansible Equities Scripting Energetic Operations Management Purchasing Upskilling SolarWinds Market Data Cryptography Key Management Lifting Ability Windows Servers Ancient History Computer Science Active Directory Complex Networks Operating Systems Agile Methodology Analytical Method Windows PowerShell Backup And Restore Systems Engineering Security Management Time Off Management Security Engineering Signals Intelligence System Administration Server Virtualization Engineering Management Network Infrastructure Network Time Protocols Vulnerability Management Public Key Infrastructure SQL (Programming Language) Computer Network Operations Python (Programming Language) Troubleshooting (Problem Solving) Software Configuration Management Application Performance Management Puppet (Configuration Management Tool) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0

Salesforce Admin

Infrastructure Automation Agile Software Development IAT Level II Certification Verbal Communication Skills Standard Operating Procedure Git (Version Control System) Infrastructure as Code (IaC) ITIL Foundation Certification Zero Trust Architecture (ZTA) Continuous Improvement Process Identity And Access Management Microsoft Certified Professional Troubleshooting (Problem Solving) Microsoft Certified Systems Engineer Puppet (Configuration Management Tool) Dynamic Host Configuration Protocol (DHCP), Active Top Secret/SCI with the ability to successfully pass a Polygraph examination., * US citizenship is required per contract.

• Bachelor’s degree in Computer Science, Engineering, Information Technology or related field and 8-12 years of prior relevant experience or Master’s with 6-10 years of prior relevant experience.
• 8+ years of systems administration experience supporting enterprise environments.
• Experience supporting Intelligence Community or Department of Defense customers.
• Strong experience administering:
• Windows Server
• Red Hat Enterprise Linux (RHEL)
• VMware vSphere
• Active Directory
• DNS/DHCP
• Group Policy
• Experience with scripting using PowerShell, Bash, or Python.
• DoD 8140/8570 Compliance: Must possess an active CompTIA Security+ (or higher baseline certification) to satisfy IAM Level I / IAT Level II requirements.
• Must possess at least one active Microsoft/Windows certification, such as:
• Microsoft Certified: Windows Server Hybrid Administrator Associate
• Microsoft Certified: Azure Administrator Associate (AZ-104)
• Legacy MCSA / MCSE: Windows Server
• Must possess an active Red Hat Certified System Administrator (RHCSA) certification.
• Knowledge of storage technologies, backup solutions, and disaster recovery.
• Experience applying DISA STIGs and RMF security controls.
• Familiarity with configuration management and automation tools such as Ansible, Puppet, or Chef.
• Experience using Git and supporting CI/CD pipelines.
• Strong analytical, troubleshooting, and communication skills.

Preferred Qualifications:

• Experience supporting cloud technologies such as AWS GovCloud, Azure Government, or C2S.
• Experience with Kubernetes and container platforms.
• Familiarity with Docker and OpenShift.
• Experience with Infrastructure as Code (Terraform, CloudFormation, or Ansible).
• Knowledge of Elastic Stack, Splunk, Grafana, or Prometheus.
• Experience supporting DevSecOps environments.
• Understanding of Zero Trust architecture principles.
• Experience with SAN/NAS administration.
• ITIL Certification (ITIL v3 Foundation, ITIL 4 Foundation, or higher) or an equivalent IT service management framework certification (e.g., COBIT, ISO/IEC 20000).

Desired Competencies:

• Strong customer service orientation.
• Excellent written and verbal communication skills.
• Ability to prioritize multiple tasks in a dynamic Agile environment.
• Self-motivated with strong attention to detail.
• Collaborative mindset with cross-functional technical teams.
• Commitment to continuous process improvement and automation.

Maru

Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Leidos is seeking a Senior Systems Administrator to join the Maru Program on a high-performing team supporting an Intelligence Community customer on a fast-paced Agile program. In this role, you’ll work alongside talented engineers, DevSecOps practitioners, software developers, and cybersecurity experts to build, secure, and maintain the infrastructure that powers mission success.

This is more than a traditional systems administration role, you’ll have the opportunity to modernize enterprise infrastructure, automate operations, strengthen cybersecurity, and directly enable rapid software delivery for systems that make a real-world impact. If you’re energized by innovation, collaboration, and solving some of the nation’s most challenging technical problems, we’d love to have you on our team., If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 - and moving faster than anyone else dares., Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .