implement disaster recovery plans Monitor system performance and optimize resources using tools like top, htop, and sar Troubleshoot hardware and software issues Manage and configure network services (e.g., SSH, NFS, Samba) Set up and maintain web servers (e.g., Apache, Nginx) Configure and manage database servers (e.g., MySQL, PostgreSQL and MariaDB) Automate tasks using shell scripting (Bash, Python, etc.) Manage package More ❯
out updates quarterly Experience with Bash scripting, user profiles, and secure login policies Experience with Active Directory authentication, such as SSSD, Realm, or Samba Experience with Mounting NTFS and NFS drives Experience with VMware Virtualization with Horizon View, such as thin client or Omnissa client, VMware VCenter administration, and Microsoft Active Directory administration Experience with Secure Technical Implementation Guide (STIG More ❯
architecture, deployment, administration, networking, performance monitoring/tuning, security hardening, and troubleshooting. Integrated AD authentication (Kerberos, LDAP and/or Centrify) Experience with SMTP, DHCP, DNS, NIS, LDAP, CIFS, NFS, Samba and NIX system security. Experience with infrastructure backup, restore, disaster recovery and business continuity products like Symantec NetBackup. Experience with security infrastructure products and capabilities (e.g. Antivirus). Experience More ❯
infrastructure support, networks, automation, and specialized software development. Requirements Servers running Sparc Solaris, SolarisX64, red Hat, and SuSe, with direct attached and FC SAN storage Client server technology utilizing NFS and CIFS Large memory SMP systems with many cores Enterprise client server configurations Multi-vendor filesystems such as XFS, GPFS, and CXFS Fielded systems Blade systems and associated interconnects (SAD More ❯
requirements, use cases, design, coding, documentation and testing • Security+ Certification • Ability to obtain clearance Desired Skills: • SE Linux experience: configuration and policy • Experience with RH Satellite • Experience with Lustre, NFS, and other file systems • Experience with Ethernet networking • Experience with RDMA communications (InfiniBand and OmniPath) • Experience with InfiniBand or Omni-Path high speed fabrics, including subnet management, IPoIB and/ More ❯
knowledge of CND policies, procedures and regulations • In depth knowledge of TCP/IP protocols • In depth knowledge of standard protocols - ICMP, HTTP/S, DNS, SSH, SMTP, SMB, NFS, etc. • In depth knowledge and experience of Wifi networking • In depth knowledge and experience of network topologies - DMZ's, WAN's, etc. • Substantial knowledge of Splunk (or other SIEM's More ❯
Platform for Linux systems. 7 years of experience with package development and deployment (rpm, yum, dnf, apt). 10 years of experience configuring storage solutions (LVM, RAID, SAN, NAS, NFS, encryption). 10 years of experience troubleshooting Linux systems, including boot processes and system performance. 5 years of experience with Red Hat Satellite. Proficiency in Bash, Python, or Perl scripting. More ❯
SAN, NAS, cloud storage, and backup solutions. Must have familiarity with storage management tools (e.g. NetApp, EMC, Dell, IBM, etc.) Must have experience with storage protocols (e.g. iSCSI, FC, NFS, SMB) Must have strong problem-solving skills and the ability to troubleshoot complex storage related issues Must have experience building, configuring and deploying servers/systems using VMware 7.0 (or More ❯
systems including LDAP and token-based authentication systems Experience with the Creation of bash scripts and ansible playbooks Desired Skills: Experience with Splunk, Security Center, Nessus Experience with Lustre, NFS, filesystem SELinux experience: configuration and policy Agile process and Core Digital Transformation, knowledge of Atlassian suite (confluence, JIRA etc) Working with customer/user representatives Excellent interpersonal and teamwork More ❯
Springfield, Virginia, United States Hybrid / WFH Options
Lockheed Martin
systems including LDAP and token-based authentication systems • Experience with the Creation of bash scripts and ansible playbooks Desired Skills: • Experience with Splunk, Security Center, Nessus • Experience with Lustre, NFS, filesystem • SELinux experience: configuration and policy • Agile process and Core Digital Transformation, knowledge of Atlassian suite (confluence, JIRA etc) • Working with customer/user representatives • Excellent interpersonal and teamwork More ❯
Assessment Solution (ACAS), OpenSCAP, STIGviewer. Creating patch repositories and pushing out updates quarterly. Bash scripting, User profiles, Secure login policies Active Directory authentication (SSSD, Realm, Samba) Mounting NTFS and NFS drives VMware Virtualization with Horizon View (thin client/Omnissa client) VMware VCenter Administration, Microsoft Active Directory administration Familiarity with CUDA and Compute GPU installations Installing, Upgrading and Administrating Red More ❯
datacenter networks including VPNs, VLANs, layer-3 switching and routing protocols. Enterprise Storage Systems Experience installing and configuring enterprise storage systems. Sound technical understanding of network storage protocols including NFS, SMB and NVMe/TCP. Desired Skills • Experience with Nvidia DGX, HGX or OVX platforms. • Experience managing HPC or large scale accelerated computing environments. • Ansible or other automation platforms is More ❯
Security Technical Implementation Guides (STIGs), Security Readiness Review (SRR) scripts, and Information Assurance Vulnerability Management (IAVM) • Experience with FC storage • Experience with network attached storage • Experience with FC, CIFS, NFS and iSCSI storage protocols • Experience with block-based replication More ❯
software development. Requirements Installation, configuration. tuning, and support of: Servers running Spare Solaris, SolarisX64, Red Hat, and SuSe, with direct attached and FC SAN storage Client server technology utilizing NFS and CIFS Large memory SMP systems with many cores Enterprise client server configurations Multi-vendor filesystems such as XFS, GPFS, and VXFS Fielded systems Blade systems and associated interconnects (SAD … tuning. testing, and advanced level troubleshooting and support of Red Hat, SuSe, and Solaris Operating Systems. Advanced level troubleshooting of core infrastructure services such as DNS, Centrify, AD, NIS, NFS, CIFS. Advise Government, and plan for next generation server and services infrastructure based on advanced research and test initiatives. Infrastructure support services such as: DNS, NIS, Active Directory, Centrify, Zenoss More ❯
systemd, monitoring of system resources, kernel tuning, system performance troubleshooting, system calls and tracing •Experience configuring storage for Linux systems (LVM, file systems, RAID, storage encryption, SAN, NAS and NFS) •Package development and deployment (rpm, yum, dnf) •Strong overall network skills (package captures, NIC latency tuning, route tables and tracing, subnetting, firewall/iptable, TCP/UDP/IP protocols More ❯
continually improve computing environments • This position will offer the opportunity to grow your technical competence in multiple areas (such as SAN, NAS, Backups, Windows, Linux, virtualization, User Authentication, DNS, NFS, system imaging/build automation) • Assist in developing the overall performance and capability of your technical team through mentoring and knowledge sharing • Have knowledge of backup systems and server technologies More ❯
III (Storage) role will be responsible for: - Supporting highly available enterprise grade storage arrays and storage networking equipment - NAS/file storage protocols such as SMB/CIFS and NFS - ISCSI and/or Fiber Channel Fabric connections … to switches and arrays - Functional knowledge and experience with Windows Server operating system and Active Directory/LDAP/DNS/NTP/Kerberos - specifically how these affect networkfilesystem storage access in Windows - Windows NTFS security settings, Windows ACLs, VSS snapshots - POSIX OS ACLs/mode-bits as it pertains to filesystem permissions - Managing Windows Distributed FileMore ❯
systems including LDAP and token-based authentication systems • Experience with the Creation of bash scripts and ansible playbooks Desired Skills: • Experience with Splunk, Security Center, Nessus • Experience with Lustre, NFS, filesystem • SELinux experience: configuration and policy • Agile process and Core Digital Transformation, knowledge of Atlassian suite (confluence, JIRA etc) • Working with customer/user representatives More ❯
strategies, server configuration, and consolidation, and verification of the health and status of the entire IT infrastructure. Must be able to provide support for enterprise services such as DNS, NFS, email services, security protection mechanisms, and the interoperability of UNIX and NT based systems. In addition to the above qualifications, SYSTEM ADMINISTRATOR IV FOR HPC must have the following qualifications More ❯
efficient patch management and system updates across multiple environments. - Develop and implement disaster recovery plans and backup strategies for critical systems. - Configure and manage network services (e.g., DNS, DHCP, NFS) within RHEL environments. - Perform kernel tuning and system optimization to enhance performance and reliability. - Implement and manage security policies using SELinux and firewall configurations. - Conduct root cause analysis for systemMore ❯
server configuration and consolidation, and verification of the health and status of the entire IT infrastructure. Individual shall be able to provide support for enterprise services such as DNS, NFS, e-mail services, security protection mechanisms, and the interoperability of UNIX and NT based systems. SYSTEM ADMINISTRATOR IV for HPC In addition to the above qualifications, SYSTEM ADMINISTRATOR IV FOR More ❯
maintain scripts in bash/shell, Python, and Perl to support administrative tasks and system management. • Configure and manage enterprise storage technologies (LVM, RAID, encrypted storage, SAN/NAS, NFS). • Monitor and tune system performance, conduct capacity planning, and allocate mass storage resources. • Install system-wide software, manage administrator/service accounts, and integrate with Active Directory. • Resolve escalated More ❯
server configuration and consolidation, and verification of the health and status of the entire IT infrastructure. Individual shall be able to provide support for enterprise services such as DNS, NFS, e-mail services, security protection mechanisms, and the interoperability of UNIX and NT based systems Installation, configuration, tuning, troubleshooting and administration of: Multi-vendor servers running numerous COTS, opensource, and More ❯
server configuration and consolidation, and verification of the health and status of the entire IT infrastructure. Individual shall be able to provide support for enterprise services such as DNS, NFS, e-mail services, security protection mechanisms, and the interoperability of UNIX and NT based systems. Qualifications An active TS/SCI with polygraph is required. Active IAT Level II certification More ❯