Senior Systems Administrator
Senior Systems Administrator
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$ 112450 - 203275
1 Vacancy
Job Description
Looking for an opportunity to make an impact
At Leidos we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers success. We empower our teams contribute to our communities and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers our people and our community. The Leidos National Security Sector (NSS) combines technologyenabled services and mission software capabilities in the areas of cyber logistics security operations and decision analytics to support our defense and intel customers mission to defend against evolving threats around the world.
Your greatest work is ahead!
The Multidomain Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Senior Systems Administrator to join a new cyber security program and play a key role in supporting governmentcritical systems. You will be part of a program that oversees development integration delivery and operations and maintenance of IT managed security services which encompasses support to monitor the cybersecurity threat and security posture situational awareness for the enterprise. This opportunity is in anticipation of a future contract award!
What youll be doing:
- Manage optimize and secure our IT infrastructure ensuring the reliability scalability and security of our systems.
- Oversee the installation configuration and maintenance of critical systems and applications while proactively identifying and resolving technical issues.
- Manage both onpremises and cloud environments automating routine tasks and implementing best practices to enhance system performance.
- Collaborate with crossfunctional teams to ensure seamless IT operations and provide guidance to junior administrators to promote a culture of operational excellence.
- Responsible for installation configuration administration support and maintenance of systems including associated hardware.
- Management of systems infrastructures implementing best practices to Identify and recommend system functional specifications configuration of physical and virtual systems backup and recovery of IT infrastructure.
- Support duties may include updating and supporting systems by tuning performance allocating storage space. Implementing critical patches reviewing systems performance logs to identify anomalies and troubleshoot issues.
- Influence development of solutions that impact strategic project/program goals and business results.
- Recommend and develop new technical solutions products and/or standards in support of functions strategy and operations.
- Lead and manage works of other technical staff that has significant impact on project results/outputs.
- Administer maintain and optimize Windows Linux and cloudbased systems to ensure high availability and performance.
- Manage system configurations updates and patch management to minimize security vulnerabilities.
- Monitor system health performance and capacity and take proactive measures to prevent outages.
- Develop and maintain documentation for system configurations procedures and troubleshooting guidelines.
- Configure and manage virtualization platforms (VMware HyperV etc. to ensure efficient resource utilization.
- Oversee storage solutions backup strategies and disaster recovery planning to ensure data integrity and business continuity.
- Implement and maintain infrastructure as code (IaC) using tools like Terraform or Ansible for system provisioning and automation.
- Apply security best practices to harden systems protect sensitive data and ensure compliance with industry standards.
- Manage identity and access management (IAM) solutions enforce rolebased access controls (RBAC) and implement multifactor authentication (MFA).
- Conduct regular system audits vulnerability scans and risk assessments to identify and mitigate security risks.
- Ensure compliance with industry regulations and organizational security policies.
- Investigate and resolve complex technical issues across systems applications and networks.
- Perform root cause analysis of incidents and implement preventive measures to avoid future occurrences.
- Develop and maintain incident response plans to minimize downtime and ensure rapid recovery.
- Deploy and manage cloudbased infrastructure (AWS Azure GCP) and hybrid environments.
- Implement and maintain secure virtual networks VPNs and cloud access controls.
- Optimize cloud resources to improve performance and reduce costs.
- Work closely with development security and operations teams to ensure seamless system integration and security.
- Mentor and provide technical guidance to junior system administrators and IT staff.
- Participate in project planning system upgrades and migration efforts ensuring minimal impact on business operations.
- Automate routine system administration tasks using PowerShell Bash or Python.
- Develop scripts to monitor system health automate patching and enhance configuration management.
- Continuously seek opportunities to improve operational efficiency through automation and process optimization.
What does Leidos need from me
- Active Top Secret/SCI (TS/SCI) with Polygraph security clearance required. Must be U.S. Citizen.
- Bachelors degree and 12 to 15 years of prior relevant experience or Masters with 10 to 13 years of prior relevant experience. Experience may be considered in lieu of a degree.
- Understanding of DoD IT security protocols and requirements.
- Expertise in administering and securing Windows and Linux operating systems.
- Strong experience with virtualization technologies such as VMware HyperV or Proxmox.
- Proficiency in managing cloud platforms such as AWS Azure or Google Cloud.
- Solid understanding of networking protocols firewall management VPNs and TCP/IP.
- Handson experience with backup and disaster recovery solutions.
- Strong knowledge of identity and access management (Active Directory LDAP) and group policy management.
- Proficiency in scripting languages (PowerShell Bash Python) to automate administrative tasks.
- Experience with infrastructure as code (IaC) and configuration management tools such as Terraform Ansible or Puppet.
Favorable if you have:
- Relevant certifications such as Microsoft Certified: Azure Administrator Associate AWS Certified SysOps Administrator CompTIA Security or similar security certifications.
- Experience with containerization and orchestration technologies (Docker Kubernetes).
- Familiarity with SIEM IDS/IPS and other security monitoring tools.
Original Posting:
March 30 2025For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $112450.00 $203275.00The 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.
Required Experience:
Senior IC
Employment Type
Full-Time
