Sr. Systems Administrator

Are you aseasoned Systems Administratorwho thrives onsolving complex technicalchallenges andkeeping mission-criticalenvironments operatingat peak performance Are you passionateabout modern infrastructure automation and enablingAgilesoftware development insupport of nationalsecurity

Leidos is seekingaSenior Systems Administratorto join the Maru Program ona high-performingteam supporting anIntelligence Communitycustomer on afast-paced thisrole youll workalongside talented engineers DevSecOps practitioners software developers andcybersecurity experts tobuild secure andmaintain the infrastructurethat powers missionsuccess.

This is morethan a traditionalsystems administrationrole youll havethe opportunity tomodernize enterprise infrastructure automate operations strengthencybersecurity and directlyenable rapid softwaredelivery for systemsthat make areal-world impact. If youre energizedbyinnovation collaboration and solving someof the nationsmost challenging technicalproblems wed loveto have youon our team.

Position Overview

As a SeniorSystems Administratoryou will administer secure and optimizeenterprise Windows andLinux environments supportingdevelopment test integration and production systems. Youll play acritical role inensuring highly available resilient and secureinfrastructure while partneringwith Agile teamsto continuously improvesystem performance reliability and operational efficiency.

Please note Gaithersburg MD is the programs primary work location.

Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.

Primary Responsibilities:

• Administer and maintainWindows and Linuxserver environments.
• Install configure patch and upgrade operatingsystems and enterpriseapplications.
• Monitor system health performance capacityand availability.
• Support Agile developmentteams byprovisioning and maintainingdevelopment test staging and production environments.
• Implement infrastructurechanges through establishedconfigurationmanagement and changecontrol processes.
• Troubleshoot hardware software networking andstorage issues tominimize downtime.
• Collaborate with DevSecOpsengineers to automatesystem administration tasksusing scripting andInfrastructureas Code (IaC) tools.
• Maintain compliance withIC cybersecurity requirements RMF controlsSTIGs and securitypolicies.
• Perform vulnerability remediation security patching andsystemhardening.
• Support virtualization platformssuch as VMwarevSphere or Nutanix.
• Manage Active Directory GroupPolicy DNS DHCP PKI and identitymanagement services.
• Develop and maintainsystem documentation standardoperating proceduresand architecture diagrams.
• Participate in Agileceremonies including sprintplanning backlog refinement standups and retrospectives.
• Provide Tier IIIoperational support andparticipate in after-hours maintenance windowsas required.

Required Qualifications:

• US citizenship is required per contract.
• Bachelors degree in Computer Science Engineering Information Technology or related field and 8-12 years of prior relevant experience or Masters with 6-10 years of prior relevant experience.
• 8 years ofsystems administrationexperience supporting enterpriseenvironments.
• Experience supporting IntelligenceCommunity or Departmentof Defense customers.
• Strong experience administering:
  • Windows Server
  • Red Hat Enterprise Linux (RHEL)
  • VMware vSphere
  • Active Directory
  • DNS/DHCP
  • Group Policy
• Experience with scriptingusing 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 storagetechnologies backup solutions and disaster recovery.
• Experience applying DISASTIGs and RMFsecuritycontrols.
• Familiarity with configurationmanagement and automationtools such asAnsible Puppet orChef.
• Experience using Gitand supporting CI/CD pipelines.
• Strong analytical troubleshooting and communication skills.

PreferredQualifications:

• Experience supporting cloudtechnologies such asAWS GovCloud AzureGovernment or C2S.
• Experience with Kubernetesand container platforms.
• Familiarity with Dockerand OpenShift.
• Experience with Infrastructureas Code (TerraformCloudFormation or Ansible).
• Knowledge of ElasticStack Splunk Grafana or Prometheus.
• Experience supporting DevSecOpsenvironments.
• Understanding of ZeroTrust 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 serviceorientation.
• Excellent written andverbal communication skills.
• Ability to prioritizemultiple tasks ina dynamic Agileenvironment.
• Self-motivated withstrongattention to detail.
• Collaborative mindset withcross-functional technicalteams.
• Commitment to continuousprocessimprovement andautomation.

#Maru

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.