Leidos · 3 weeks ago
System Administrator-Linux
Annapolis Junction, MD
Full-time
Onsite
Senior Level, Lead/Staff
$92K/yr - $167K/yr
8+ years expLeidos has a new and exciting opportunity for a System Administrator - Linux in our National Security Sector's Cyber & Analytics Business Area. The role involves monitoring infrastructure systems, applications, and processes, ensuring timely resolution of issues, and providing support for all infrastructure systems.
ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware
Responsibilities
Quickly responding to IT Help Desk calls and emails in a professional manner; ensuring issues are resolved and/or escalated to the appropriate teams; and following up with teams and users to ensure issues are satisfactorily remediated
Identifying, troubleshooting, and correcting hardware and software issues including network connectivity
Utilizing enterprise monitoring solutions to identify alarms that have been triggered against the various environments
Proactively contacting customers when infrastructure processes are significantly delayed or may impact their ability to complete a business function on time
Executing the process for managing information assurance vulnerability alerts (IAVAs) and system security scanning for equipment suites in accordance with the System Security Plans for these systems to rapidly and accurately identify and remediate IAVAs
Initiating IAVA responses and system security scans, completing remediation, and extending IAVA patches and security updates on various IT and network systems
Providing technical assistance to companion work groups in support of overlapping projects such as implementing IT enhancements and optimizing systems
Maintaining good inter-departmental relations, communicating with users, and publishing status of system outages
Participating in the creation and ongoing maintenance of documentation to ensure clear, concise and accurate information is readily available to assist with incident resolution
Qualification
Required
BS degree in a technical field and at least 8 years of relevant experience. Additional experience may be substituted for a degree
Must have at least 3 years of direct, hands-on experience providing assistance to users in an IT customer service capacity
Must have at least 3 years of experience working on an IT/software program that utilizes complex equipment/systems (ex. Network Switches, Routers, LANs, & cabling, Windows/Linux operating systems, VMware, etc.)
Must have experience installing, updating, and upgrading Linux Operating Systems (OS)
Must have experience with utilities used to manage Linux OS disk file systems
Must have experience analyzing and implementing Security Technical Implementation Guide (STIG) requirements in Linux OS
Must have experience with utilities used to create and configure network connections in Linux OS
Must have experience implementing Windows Active Directory User Authentication in Linux OS
Must be proficient in reading and modifying User/Group permissions in Linux OS
Must be proficient in reading, analyzing, and troubleshooting errors within Linux OS
Must have experience with IT system optimization, monitoring, and technical set-up and troubleshooting
Must have experience with Data Center design and configuration (e.g. rack and stack, power, placement, etc.)
Must have experience gathering data for and documenting technical processes
Must have experience documenting IT issues and providing detailed and comprehensive status reports and follow-ups
Must have experience Analyzing and addressing IAVAs/CVEs (response and remediation, system security scans, extending IAVA patches and security updates on IT and network systems, etc)
Must be committed to adopting and adhering to best practices including compliance with maintenance windows and change control procedures
Must possess strong analytic abilities and must be meticulous and careful in their work
Must be an independent thinker capable of working independently as well as within a team
Must be able to respond to emergency system administration, operations, and maintenance problems, on a limited as-needed on-call basis
Must be able to travel up to 25% of the time to local program locations (not overnight). Additional travel to CONUS and OCONUS location(s) may also be required (overnight)
Preferred
Experience with security standards, software architectures, and Network security technologies (Multiple Domain, PKI, SSP, Vulnerability Assessment, etc.)
Experience working with Enterprise Domain Services
Experience building and deploying Virtual Machines within an On-Premises Data Center
Experience with scripting and/or automation tools
Experience reading, analyzing, and addressing security vulnerabilities discovered from automated scanning tools
Experience supporting a large, complex software configuration management and development program
Experience working in an Agile Development Environment or on an Agile Team
Benefits
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
Company
Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
10001+ employees
H1B Sponsorship
Leidos has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (65)
2024 (58)
2023 (77)
2022 (65)
2021 (56)
2020 (89)
Funding
Current Stage
Public CompanyTotal Funding
unknown2025-02-20Post Ipo Debt
2013-09-17IPO
Leadership Team
James Carlini
Chief Technology Officer
Theodore Tanner
Chief Technology Officer
Recent News
MarketScreener
2025-12-16
2025-12-16
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