Sr. Linux System Administrator

3 weeks ago


Annapolis Junction, United States Reflexive Concepts Full time

Reflexive Concepts is seeking a Sr. Linux Administrator to join our team Specifically, we're looking for someone who will be supporting an enterprise wide mission environment and has the following: 

  • Minimum of 10 years experience as a Linux System Admin / Eng.
  • Linux - (CentOS/RHEL) Linux admin certification desired
  • Extensive experience installing, configuring, maintaining JBoss / Wildfly
  • VMWare VM creation, configuration, and operation experience
  • Security + 2 / IAT 2 certification
  • Highly Desire:  Experience with RH Ansible
Other Desired Experience:
  • Storage 
    • Management (ex LG, PV, LVM
    • Protocols (ex NFS, SAMBA, ISCSI)
    • SAN Storage configuration
    • Understanding of network storage (ex. NAS and SAN)
  • Networking 
    • Understanding of networking concepts and principles
    • Routing, IPSec
  • Security Compliance 
    • YUM Patching
    • IAVA Remediation
    • Server certificate management
    • Automation (ex. Ansible, Puppet, SALT)
    • SELinux
  • Authentication 
    • Users and Group Management
    • Understanding of Active Directory and DNS
    • User certificate management
  • Scripting: Shell, Python preferred
  • Physical Server Administration
Other Desired Skills, Education, or familiarization
  • Oracle Database and possibly some DBA experience
  • JavaScript Object Notation (JSON)
Qualifications: 
  • Minimum General Experience: At least ten (10) years developing and delivering IT Architectures or IT systems design/ engineering services or supported that activity with an organization.
  • Functional Responsibility:
    • Provides architecture and business consulting services.
    • Functions as lead consultant and project manager on technically complex projects.
  • Minimum Education: A BS in Computer Science, or related discipline, or equivalent years of experience.


  • Annapolis Junction, United States Leidos Full time

    R-00134344 Description Are you ready to work on lifechanging programs? Join us at Leidos! Enjoy generous Paid Time Off, Flexible Schedules, Discounted Stock Purchase Plans, Education/Training Support and more! as a Sr Linux System Administrator onsite in the Ft. Meade area, MD. A TS/SCI with Polygraph is required to be considered for this opportunity. All...


  • Annapolis Junction, United States Omnyon Full time

    Job Description Description: Contractor will be supporting an enterprise wide mission environment. Minimum of 10 years experience as a Linux System Admin / Eng. Required: Linux - (CentOS/RHEL) Linux admin certification desired Extensive experience installing, configuring, maintaining JBoss / Wildfly VMWare VM creation, configuration, and operation...


  • Annapolis Junction, United States Leidos Full time

    R-00134997 Description Leidos is hiring a Sr NIFI/Linux Systems Engineer in the Ft. Meade area, MD. An active TS/SCI with Polygraph is required to be considered. Job Summary The NIFI/Linux Systems Engineer will serve as the TTO Site Engineer performing remote maintenance and refresh efforts for 8 sites. Performs daily interaction with partner entities. The...


  • Annapolis Junction, United States Quevera LLC Full time

    Job DescriptionJob DescriptionJob Description:Quevera is seeking a System Administrator 3 to join an exciting, collaborative and innovative team. A place where you are positioned for More than Just a Job. Where leadership partners with you, seek to cultivate and support career development, encouraging growth from within while striving to foster a diverse and...


  • Annapolis Junction, United States Quevera LLC Full time

    Job DescriptionJob DescriptionJob Description:Quevera is seeking a System Administrator 3 to join an exciting, collaborative and innovative team. A place where you are positioned for More than Just a Job. Where leadership partners with you, seek to cultivate and support career development, encouraging growth from within while striving to foster a diverse and...


  • Annapolis Junction, United States Acclaim Technical Services Full time

    Acclaim Technical Services, founded in 2000, is a leading language, operations, and technology services company supporting a wide range of U.S. Federal agencies. We are an Employee Stock Ownership Plan (ESOP) company, which is uncommon within our business sector. We see this as a significant strength, and it shows: ATS is consistently ranked as a top...


  • Annapolis Junction, United States Acclaim Technical Services Full time

    Acclaim Technical Services, founded in 2000, is a leading language, operations, and technology services company supporting a wide range of U.S. Federal agencies. We are an Employee Stock Ownership Plan (ESOP) company, which is uncommon within our business sector. We see this as a significant strength, and it shows: ATS is consistently ranked as a top...


  • Annapolis Junction, United States Acclaim Technical Services Full time

    Acclaim Technical Services, founded in 2000, is a leading language, operations, and technology services company supporting a wide range of U.S. Federal agencies. We are an Employee Stock Ownership Plan (ESOP) company, which is uncommon within our business sector. We see this as a significant strength, and it shows: ATS is consistently ranked as a top...


  • Annapolis Junction, United States Acclaim Technical Services Full time

    Acclaim Technical Services, founded in 2000, is a leading language, operations, and technology services company supporting a wide range of U.S. Federal agencies. We are an Employee Stock Ownership Plan (ESOP) company, which is uncommon within our business sector. We see this as a significant strength, and it shows: ATS is consistently ranked as a top...


  • Annapolis Junction, United States Acclaim Technical Services Full time

    Acclaim Technical Services, founded in 2000, is a leading language, operations, and technology services company supporting a wide range of U.S. Federal agencies. We are an Employee Stock Ownership Plan (ESOP) company, which is uncommon within our business sector. We see this as a significant strength, and it shows: ATS is consistently ranked as a top...


  • Annapolis Junction, United States Cornerstone Defense Full time

    Title: Sr. Linux System Administrator - Technical Team Lead Location: Annapolis Junction, MD *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of...


  • Annapolis Junction, United States Reflexive Concepts Full time

    Reflexive Concepts is seeking a skilled a Linux System Administrator to support the Cybersecurity Intelligence Team (CIT) which provides normalization of cyber security data and automation of cyber threat intelligence. This position is part of an operations support team responsible for dataflow implementation including transitions from legacy to modern...


  • Annapolis Junction, United States Cornerstone Defense Full time

    Location: Annapolis Junction, Maryland Type: Contract Job #2627 Title: Linux System Administrator Location: Annapolis Junction, MD *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing...


  • Annapolis, United States Quevera Full time

    Job Description: Quevera is seeking a System Administrator 3 to join an exciting, collaborative and innovative team. A place where you are positioned for More than Just a Job. Where leadership partners with you, seek to cultivate and support career development, encouraging growth from within while striving to foster a diverse and inclusive environment that...


  • Annapolis Junction, United States Omnyon Full time

    Job Description Position Description The System Administrator shall be responsible for providing network management and systems administration to maintain the Agency's High Performance Computing (HPC) infrastructure and HPC development environment. Position Required Skills Experience using the Linix CLI Experience developing scripts using Bash/Python...


  • Annapolis Junction, United States Acclaim Technical Services Full time

    RESPONSIBILITIESSenior Linux Systems Engineer/Systems Admin with solid experience administering in the Linux environment; Work will include virtual servers and storage; Needs to be someone well versed in Linux and can work with little direction. Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems....


  • Annapolis Junction, United States Cornerstone Defense Full time

    Title: Linux System Administrator Location: Annapolis Junction, MD *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our...


  • Annapolis Junction, United States Adventure Technology Services Full time

    Adventure Technology Services is a small IT contractor headquartered in Hanover, MD that provides high level solutions to Federal Government customers and are always looking for high quality professionals to join our team. We provide competitive benefits and compensation packages including 8% 401(k) match, 160hrs PTO, tuition assistance, professional...


  • Annapolis Junction, United States Acclaim Technical Services Full time

    Job DescriptionJob DescriptionAcclaim Technical Services, founded in 2000, is a leading language, operations, and technology services company supporting a wide range of U.S. Federal agencies. We are an Employee Stock Ownership Plan (ESOP) company, which is uncommon within our business sector. We see this as a significant strength, and it shows: ATS is...


  • Annapolis Junction, United States EverWatch Full time

    Job Title: Linux Systems Engineer Overview: EverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our countrys most critical missions. We are a full-service government solutions company. Harnessing the most advanced technology and solutions, we strengthen defenses and control environments to preserve...