Mid/Sr System Administrator

Splunk Ansible Equities PowerCLI Scripting Energetic Hardening Operations Management Purchasing Upskilling SolarWinds Market Data Disk Arrays Cryptography Apache Tomcat Key Management Lifting Ability Windows Servers Network Routing Ancient History Computer Science Active Directory Network Switches Network Security Web Applications Complex Networks Operating Systems Agile Methodology Analytical Method Windows PowerShell Backup And Restore Systems Engineering Local Area Networks Security Management Time Off Management Security Engineering Signals Intelligence System Administration Server Virtualization Engineering Management Network Infrastructure Network Time Protocols Vulnerability Management Vulnerability Assessments Public Key Infrastructure SQL (Programming Language) Computer Network Operations Python (Programming Language) Troubleshooting (Problem Solving) Software Configuration Management Application Performance Management Enterprise Application Integration Puppet (Configuration Management Tool) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance), The selected individual will provide system administration support for a large, complex network environment with geographically distributed systems. The role supports system engineering requests by delivering solutions that meet operational needs, and by upgrading, sustaining, and maintaining existing capabilities. The candidate must be comfortable working in a fast-paced environment that includes multiple air-gapped systems, each with its own domain and supporting infrastructure. The position also requires maintaining a complex IT environment involving multiple users, as well as associated storage and network infrastructure. This role requires an energetic, focused, and driven individual who can adapt quickly to changing priorities. The candidate must demonstrate strong system administration and troubleshooting skills and work effectively with the team to execute a variety of network-centric system administration tasks.

Responsibilities Include The selected individual will be responsible for installing applications, administrating systems and processes, and ensuring issues are identified and resolved in a timely manner. She/he will be responsible for ensuring server and desktop configurations are optimized and running continuously and efficiently. The selected individual will also perform security management and application performance optimization functions.

Additional responsibilities may include:

• Administration/sustainment of a system that provides a web-based application for storing, sharing, and distributing information.
• Creating and maintaining complex server enclaves, including analyzing system scanning reports, patching, cert renewals, vulnerability management assessments, and active directory configurations.
• Identifying and correcting hardware and software issues.
• Responding to system administration, operations, and maintenance problems, and developing re-work solutions.
• Creating and maintaining documentation of complex server/network environments to ensure that clear, concise and accurate information is readily available for incident resolution.
• Communicating with users and external support personnel regarding system outages and upgrades, and conferring with upper management regarding recommended resolution options., All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. Related Jobs Microsoft Exchange / System Administrator Leidos Suitland, MDOn-Site Teamwork Equities Operations Innovation Market Data Communication Issue Tracking Backup Devices Windows Servers Ancient History Active Directory Technical Issues IAT Level II Certification Office 365 Exchange Online Microsoft Exchange Servers Troubleshooting (Problem Solving) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0 Mid-Level System Administrator Leidos Annapolis Junction, MDOn-Site Linux CentOS Writing Ansible Auditing Firewall Firmware Equities PowerCLI Scripting

• Bachelor's Degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related technical field and at least 8 years of relevant experience. Additional experience may be substituted for a degree.

• Must have experience as a systems administrator providing direct support to end users and technical staff (developers, testers, engineers, etc.).

• Must be proficient with Windows Server 2012R2, 2016, 2019, and Active Directory.

• Must have experience with Linux and Microsoft-based servers and workstations.

• Must have experience with Windows 2019.

• Must have experience with OS and Application Hardening to include DISA, Best Practices, and High Assurance environments.

• Must have experience with software/hardware deployment, patches, and operating systems, and basic system backup and restore functions.

• Must have experience with and/or be familiar with SALT, Ansible, Splunk, Puppet, SolarWinds, Nessus.

• Must have experience with and/or have knowledge of Red Hat 7 and 8, and VMWare.

• Must have experience with Apache Tomcat, IIS, and/or SQL server database.

• Must have experience documenting and providing information for security accreditation and certification.

• Must have a solid understanding of advanced security protocols and standards.

• Must have experience with Network Security Technologies (e.g. Multiple Domain, PKI, SSP, and Vulnerability Assessment).

• Must have experience with High Assurance platforms and application integration testing methods.

• Must have experience with both Client and Server virtualization environments.

• Must have experience with installation, configuration, troubleshooting, and reimaging hardware.

• Must have experience with disk arrays, PowerShell and PowerCLI, KVMs,

• Must have knowledge of PKI systems which use HSMs to validate key and NTP for synchronization.

• Must have experience optimizing system operations.

• Must have a solid understanding of information security principles and practices.

• Must have experience with or familiarity with software and security architectures.

• Must have experience or familiarity with the following systems: Windows/Linux operating systems, VMware, and Networking: Switches, Routers, LANs, & cabling.

• Must be able to lift up to 50 lbs.

• Must be able to support occasional day or short duration travel, if needed.

• Clearance Required: Must have TS/SCI with Polygraph.

Preferred Qualifications

• Proficiency with SQL Server.
• SALT and Python scripting experience.
• Experience supporting a software configuration management and development environment.
• Experience working in an Agile Development Environment or on an Agile Team., Wireshark Automation Purchasing Resilience Upskilling SolarWinds Hypervisor Market Data Cryptography Communication Risk Analysis Cyber Security Prioritization System Support Virtualization Key Management Windows Servers Ancient History Computer Science Software Testing Interoperability Systems Analysis Complex Networks Technical Issues Agile Methodology Analytical Method Systems Engineering Systems Integration Time Off Management Security Engineering System Configuration Signals Intelligence System Administration Hardware Architecture Software Documentation Complex Problem Solving Configuration Management Satellite Communications Vulnerability Assessments Public Key Infrastructure Computer Network Operations Microsoft Deployment Toolkit Python (Programming Language) Troubleshooting (Problem Solving) Chef (Configuration Management Tool) Puppet (Configuration Management Tool) Network Intrusion Detection And Prevention Internet Small Computer System Interface (ISCSI) Advanced Cardiovascular Life Support (ACLS) Certification, Leadership Innovation Market Data System Support Backup Devices Ancient History Active Directory Software Systems Secret Clearance Patch Management Disaster Recovery Windows PowerShell Software Development Contingency Planning IT Service Management CompTIA Certification Software Installation Network Administration IAT Level II Certification Customer Success Management Remote Infrastructure Management Troubleshooting (Problem Solving) Dynamic Host Configuration Protocol (DHCP) +0

Salesforce Admin

Leidos has a new and exciting opportunity for a Mid/Sr System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!, 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 .

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 .