System Administrator, Senior Job at Booz Allen Hamilton (Columbia)

Senior System Administrator / System Engineer - Linux

The Senior System Administrator / Engineer - Linux will support a high-visibilit...

Location

United States , Annapolis Junction

Salary:

Not provided

Columbia Technology Partners

Expiration Date

Until further notice

Requirements

10+ years Linux System Administration/Engineering experience
Expertise with CentOS/RHEL, JBoss/WildFly, and VMware
Security+ certification required
Experience with Ansible, scripting (Shell/Python), and enterprise infrastructure
Working knowledge of security compliance, networking, storage, and physical servers
Familiarity with Oracle Database and JSON
U.S. Citizenship is required for all applicants
DOD 8570 Certification
This position requires an active Security Clearance with appropriate Polygraph

Job Responsibility

Administer, engineer, and maintain Linux systems (CentOS/RHEL) in a mission-critical environment
Install, configure, operate, and maintain JBoss and WildFly application servers
Create, configure, and manage VMware virtual machines
Support enterprise services across an IC-wide mission environment
Perform system troubleshooting, performance tuning, and issue resolution
Support security compliance requirements and authentication mechanisms
Develop and maintain scripts to automate system administration tasks
Administer and support physical server infrastructure
Collaborate with storage, networking, and security teams as required

What we offer

Medical: CTP offers 3 superior plans, bringing our employees both in-network and out-of-network options
Vision + Dental: Both free to you + paid in full by CTP
Retirement: 401k - 6% company contribution
PTO + Leave: Offering customizable leave plans
Jury Duty, Bereavement + Military Leave provided
Career Growth: Up to $10,000 provided for approved career-related learning, training, education, and/or tuition
Life and AD&D Insurance/Short-Term & Long-Term Disability: at zero cost to you
Profit Sharing Bonus: End of year cash gets added to your bottom-line
Referral Bonus Program: Our bonuses range from $7,000-$20,000

Fulltime

Senior System Administrator / System Engineer - Linux

The Senior System Administrator / Engineer - Linux will support a high-visibilit...

Location

United States , Annapolis Junction

Salary:

Not provided

Columbia Technology Partners

Expiration Date

Until further notice

Requirements

10+ years Linux System Administration/Engineering experience
Expertise with CentOS/RHEL, JBoss/WildFly, and VMware
Security+ certification required
Experience with Ansible, scripting (Shell/Python), and enterprise infrastructure
Working knowledge of security compliance, networking, storage, and physical servers
Familiarity with Oracle Database and JSON
U.S. Citizenship is required for all applicants
DOD 8570 Certification
This position requires an active Security Clearance with appropriate Polygraph

Job Responsibility

Administer, engineer, and maintain Linux systems (CentOS/RHEL) in a mission-critical environment
Install, configure, operate, and maintain JBoss and WildFly application servers
Create, configure, and manage VMware virtual machines
Support enterprise services across an IC-wide mission environment
Perform system troubleshooting, performance tuning, and issue resolution
Support security compliance requirements and authentication mechanisms
Develop and maintain scripts to automate system administration tasks
Administer and support physical server infrastructure
Collaborate with storage, networking, and security teams as required

What we offer

Medical: CTP offers 3 superior plans
Vision + Dental: Both free to you + paid in full by CTP
Retirement: 401k - 6% company contribution
PTO + Leave: Offering customizable leave plans
Jury Duty, Bereavement + Military Leave provided
Career Growth: Up to $10,000 provided for approved career-related learning, training, education, and/or tuition
Life and AD&D Insurance/Short-Term & Long-Term Disability: at zero cost to you
Profit Sharing Bonus: End of year cash gets added to your bottom-line
Referral Bonus Program: bonuses range from $7,000-$20,000

Fulltime

It Senior System Administrator

This position is responsible for the effective installation, configuration, oper...

Location

United States , Newkirk

Salary:

Not provided

7 Clans Casinos

Expiration Date

Until further notice

Requirements

Bachelor’s degree or equivalent combination of education and work experience is required
6 years of systems administration experience
Guest Service experience preferred, however not required
Must be at least 18 years of age
Must be able to provide all documents required to show the incumbent is eligible to work in the United States
Required to pass a drug test and obtain and maintain a gaming license to work in a casino from the Otoe Missouria Gaming Commission
Valid Driver’s License
Must be willing and able to work days, nights, weekends, and holidays
Read, write, and speak the English language

Job Responsibility

Perform daily system monitoring to verify the integrity, reliability, and availability of all server resources and systems
Possess a thorough understanding of data flow within the casino management system and related systems
Perform daily security monitoring to identify intrusions or system misuse
Perform daily backup operations and ensure media is cycled off-site for safe storage
Perform regular file archival and purge data as required
Create, change, and disable user accounts as requested in Active Directory
Knowledge of working with VMware doing server maintenance
Investigate and troubleshoot problems as escalated and assign appropriate priority to work
Repair and recover from hardware and software failures to minimize the impact to casino operations
Apply software patches and upgrades on a regular basis

Fulltime

Senior System Administrator II [Ceph Engineer]

This team is part of our Platform Engineering team in India. The purpose of Plat...

Location

India , Bengaluru

Salary:

Not provided

Adyen

Expiration Date

Until further notice

Requirements

5+ years of experience in Linux systems administration with a focus on storage (e.g., Ceph)
Proven experience with enterprise storage systems (e.g., Purestorage, NetApp, EMC, Dell, IBM, Hitachi)
Strong understanding of RAID, LVM, NFS, iSCSI, multipathing, and file systems (ext4, XFS, ZFS, etc.)
Hands-on experience with enterprise storage systems and clustering technologies
Proficiency in shell scripting
Python, Puppet or Ansible knowledge
Experience with virtualization technologies such as VMware or KVM
Familiarity with cloud storage solutions like AWS S3 and EBS
Experience with monitoring tools (Nagios, Prometheus, Zabbix, etc.)

Job Responsibility

Design and deploy storage infrastructure (SAN, NAS, DAS, Object Storage) in accordance with organizational needs
Monitor and maintain storage systems to guarantee optimal performance, availability, and reliability
Perform capacity planning and forecasting for future storage needs
Develop and implement strategies for backup, replication, and disaster recovery
Troubleshoot and resolve issues related to storage systems
Maintain documentation of configurations, procedures, and standards
Collaborate with other Platform Engineering teams on system upgrades, migrations, and integrations
Automate storage provisioning and management using scripting or infrastructure-as-code tools

Senior System Administrator II [Storage Engineer]

This team is part of our Platform Engineering team in India. The purpose of Plat...

Location

India , Bengaluru

Salary:

Not provided

Adyen

Expiration Date

Until further notice

Requirements

5+ years of experience in Linux systems administration with a focus on storage (e.g., Ceph) {MANDATE}
Proven experience with enterprise storage systems (e.g., Purestorage, NetApp, EMC, Dell, IBM, Hitachi). {MANDATE}
Strong understanding of RAID, LVM, NFS, iSCSI, multipathing, and file systems (ext4, XFS, ZFS, etc.) {MANDATE}
Hands-on experience with enterprise storage systems and clustering technologies
Proficiency in shell scripting
Python, Puppet or Ansible knowledge experience with virtualization technologies such as VMware or KVM
Familiarity with cloud storage solutions like AWS S3 and EBS
Experience with monitoring tools (Nagios, Prometheus, Zabbix, etc.)

Job Responsibility

Design and deploy storage infrastructure (SAN, NAS, DAS, Object Storage) in accordance with organizational needs
Monitor and maintain storage systems to guarantee optimal performance, availability, and reliability
Perform capacity planning and forecasting for future storage needs
Develop and implement strategies for backup, replication, and disaster recovery
Troubleshoot and resolve issues related to storage systems
Maintain documentation of configurations, procedures, and standards
Collaborate with other Platform Engineering teams on system upgrades, migrations, and integrations
Automate storage provisioning and management using scripting or infrastructure-as-code tools

Fulltime

Senior System Administrator

2HB Incorporated is seeking a Senior System Administrator in order to support it...

Location

United States , Annapolis Junction

Salary:

Not provided

2HB

Expiration Date

Until further notice

Requirements

Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator
Experience with Windows Sever Administration, Active Directory, and Group Policy
Experience with Linux Server Administration
Experience with Broadcom VMware/ESXi, Broadcom VMWare Virtual Networking, and Broadcom VMware vCenter
Networking Switching and Router Management
Storage Management (NetApp)
Hardware and Operating System troubleshooting
System hardening
Security Compliance Scanning (Nessus, ACAS)
Understanding of project design within the scope of security (RMF) requirements

Job Responsibility

Conduct functional and connectivity testing to ensure continuing operability
Develop and document systems administration standard operating procedures
Maintain baseline system security according to organizational policies
Manage accounts, network rights, and access to systems and equipment
Plan, execute, and verify data redundancy and system recovery procedures
Install, update, and troubleshoot systems and servers
Comply with organization systems administration standard operating procedures
Implement and enforce local network usage policies and procedures
Manage system and server resources including performance, capacity, availability, serviceability, and recoverability
Monitor and maintain system and server configurations

Fulltime