Home
/
Comprehensive
/
System Administrator
System Administrator-December 2024
Columbus
Dec 18, 2025
ABOUT LEIDOS
Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, homeland security
501 - 1,000 employees
Consulting
VIEW COMPANY PROFILE >>
About System Administrator

Description

The Digital Modernization Sector within Leidos is seeking a System Administrator to support the DoD Mobility Classified Capability (DMCC) program as part of GSM-O II in Columbus OH.

We’re seeking a candidate experienced with Windows server or Linux server operations, sustainment, and management activities to help ensure secure, reliable, and uninterrupted availability of the DoD's secure mobile device capability service. You’ll work as part of a Network Operations team responsible for managing an infrastructure comprised of a variety of servers, network appliances, and applications supporting voice and data services.

If this sounds like the kind of environment where you can thrive, keep reading!

Primary Responsibilities:

Monitor and maintain an enterprise services environment consisting of Windows servers, Red Hat Enterprise Linux servers, and network appliances.

Assist mission partners with mobile device VPN connectivity debugging, user account and device management, and troubleshooting system/service access issues.

Perform configuration updates and maintenance activities to patch, secure, and maintain systems.

Respond to, and help analyze, issues that degrade system or network performance to minimize downtime.

Address moderately complex technical issues using internal SOPs and collaboration with team members.

Help create and update documentation for common issues and processes to contribute to the team’s knowledge base.

Provide input on ways to optimize processes and improve the efficiency of the environment.

Support occasional after hours maintenance and be available for 2-hour onsite call back support for critical issues.

Basic Qualifications:

Bachelor's degree and 2 years of related experience or Master’s degree with less than 2 years of related experience. Additional experience, education and training may be considered in lieu of degree.

Active DoD SECRET clearance.

DoD-8570 IAT Level 2 certification (Security+ CE) within 6 months of hire date.

Experience troubleshooting issues with software applications, networking, Windows OS or Linux OS.

Experience performing system administration tasks - installing, maintaining, monitoring, recovering, rebuilding, upgrading, patching.

Experience researching technical solutions beyond internal SOPs.

Willingness to work with multiple technologies and be open to learning new technologies.

Motivated self-starter with strong work ethic and ability to work with minimal supervision in the fulfillment of daily operations and sustainment activities.

Ability to demonstrate good judgement, professionalism, and communicate clearly (verbal and written).

Strong problem solving, critical thinking, and analytical skills.

Desired Qualifications (not required, but a huge plus):

Experience configuring and maintaining network devices - switches, routers, firewalls, VPNs.

Experience with scripting or automation tools.

Experience with VMWare - ESX/ESXi, vCenter, vSphere.

Experience with AD, SCCM, SQL, MySQL, SELinux, DNS.

Knowledge of networking concepts such as OSI Model, LAN/WAN, IPv4/IPv6, subnetting and VLANs.

Experience maintaining systems and services in an air-gapped environment.

Knowledge of security policies such as DISA STIGS and general vulnerabilities management.

Certifications with major system vendors such as Microsoft, Red Hat, VMware, Cisco, Juniper, or Aruba.

GSMO

Original Posting Date:

2024-05-16

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 $55,250.00 - $99,875.00

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.

REQNUMBER: R-00135874

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

Comments
Welcome to zdrecruit comments! Please keep conversations courteous and on-topic. To fosterproductive and respectful conversations, you may see comments from our Community Managers.
Sign up to post
Sort by
Show More Comments
SIMILAR JOBS
Software Engineer
Our Company At Teradata, we believe that people thrive when empowered with better information. That’s why we built the most complete cloud analytics and data platform for AI. By delivering harmonized
Branch Director - Hospice
At Elara Caring, we have a unique opportunity to play a huge role in the growth of an entire home care industry. Here, each employee has the chance to make a real difference by carrying out our missio
BSWHP - Reimbursement Audit Spec
JOB SUMMARY The Reimbursement Audit Specialist prepares and monitors reimbursement schedules with hospitals, physicians and ancillary providers based upon the companies' relationship, volume and marke
Host/Hostess
Host/Hostess Location: Sebastain River Medical Center - 39281003 Workdays/shifts : Mornings and afternoon/evenings - varying days, and some weekends/holidays. More details will be provided during the
Nurse Clinician III (RN) - ED Clear Lake (2P-2A)
Nurse Clinician III (RN) - ED Clear Lake (2P-2A) Webster, Texas, United States New Nursing Care Management UTMB Health Requisition # 2500905 EDUCATION EXPERIENCE: Minimum Qualifications: RN with two y
Licensed Practical Nurse - LPN - Skilled Nursing Facility
Licensed Practical Nurse - LPN - Skilled Nursing Facility   Here at CareerStaff Unlimited, we are hiring a qualified Licensed Practical Nurse for apermanent full-timeposition at a well-established ski
Foreperson Non-Union CDL Required
Description Job Title: Foreperson (CDL Required) - Non Union /Bucket operator This position ensures the productivity of daily operations, working closely with management to determine recruiting/hiring
Expense Accountant
Hungry, Humble, Honest, with Heart. The Opportunity Are you a detail-oriented and proactive finance professional with strong accounting skills? Do you enjoy working in a diverse environment and collab
Paramedic EMT-P
By clicking the “Apply” button, I understand that my employment application process with Takeda will commence and that the information I provide in my application will be processed in line with Takeda
Senior Sales Consultant
Trustmark’s mission is to improve wellbeing – for everyone. It is a mission grounded in a belief in equality and born from our caring culture. It is a culture we can only realize by building trust. Tr
Copyright 2023-2025 - www.zdrecruit.com All Rights Reserved