Senior High Performance Computing (HPC) (SA II) (Government) at AT&T

Columbia, Maryland, United States

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Government, Public SectorIndustries

Requirements

Experience overseeing servers running Red Hat, CentOS, SolarisX64, SuSe, Virtual Appliances, with direct attached and FC SAN storage
Experience troubleshooting PXE and DHCP boot process
Experience with Microsoft Exchange policy management, mailbox management, enterprise-level multi-site design and architecture
Tier 3 support experience for infrastructure services: DNS, NIS, Active Directory, Centrify, Zenoss, SiteScope, HP Openview, HP Oneview, HPSA, HPSE, SPLUNK, Sendmail, Exchange, NetQoS, Infoblox, Nagios, HP Cluster Management
Experience installing, configuring, tuning, and troubleshooting multi-vendor servers running COTS, open source, and in-house applications
Experience with large SPU, memory SMP systems and clusters with many cores
Experience with enterprise client-server configurations (Group Policy, Centrify, DNS, LDAP)
Linux scripting experience (Bash, Perl, etc.)
Linux Logical Volume Management (LVM) experience
Distributed filesystems experience
Configuration management tools experience
Multi-vendor filesystems experience: XFS, GPFS, CXFS, EXT4, CIFS, NFS
Clustered blade systems and interconnects experience (iSCSI, SAN, FC, TCP/IP, etc.)
Advanced Red Hat/CentOS and Microsoft Windows OS experience (including Group Policy management)
Enterprise Active Directory/Centrify Zone management experience (creation, update, RBAC)
Thin client solutions experience based on Virtual bridges and Centrify, VPN
NoMachine NX Virtual Desktop management experience
Enterprise virtualization products experience: VMWare, vSphere, vCenter, vRealize Automation, vSAN, vSwitch, Distributed Switch, Console management
OpenShift, Docker, Kubernetes experience
Valid professional certifications: RHCSA or higher Red Hat certification, MCSE

Responsibilities

Oversee servers running Red Hat, CentOS, SolarisX64, SuSe, Virtual Appliances, with direct attached and FC SAN storage
Troubleshoot PXE and DHCP boot process
Perform Microsoft Exchange policy management, mailbox management, enterprise-level multi-site design and architecture
Support Tier 3 infrastructure services: DNS, NIS, Active Directory, Centrify, Zenoss, SiteScope, HP Openview, HP Oneview, HPSA, HPSE, SPLUNK, Sendmail, Exchange, NetQoS, Infoblox, Nagios, HP Cluster Management
Install, configure, tune, and troubleshoot multi-vendor servers running numerous COTS, open source, and in-house applications
Support HPC farm systems, HPC MPP clustered systems, front-end servers of special purpose devices (SPDs)
Manage distributing computing tools such as ReS, LSF, and SLURM
Installation, configuration, tuning, troubleshooting, and administration of multi-vendor servers for HPC Division IT support requirements, including those with direct attached, FC SAN storage or SSDs

Skills

Key technologies and capabilities for this role

HPCLinuxWindowsRed HatCentOSSolaris X64SUSEFC SANPXEDHCPMicrosoft ExchangeActive DirectoryDNSSPLUNKNagiosHP OpenViewHP OneView

Questions & Answers

Common questions about this position

Is this position remote or does it require office presence?

This position requires office presence a minimum of 5 days per week and is only located in the location(s) posted.

What salary or compensation is offered for this role?

This information is not specified in the job description.

What are the key skills required for this Senior HPC Systems Administrator role?

Key skills include overseeing servers running Red Hat, CentOS, SolarisX64, SuSe with SAN storage; troubleshooting PXE and DHCP boot processes; Microsoft Exchange policy and mailbox management; Tier 3 support for services like DNS, Active Directory, and SPLUNK; and experience with Linux scripting, LVM, distributed filesystems, and clustered systems.

What is the company culture like at AT&T Global Public Sector?

AT&T Global Public Sector is dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to shared values, and dedicated to customers’ mission.

What makes a strong candidate for this Senior HPC Systems Administrator position?

Strong candidates will have extensive experience with multi-vendor servers including Red Hat, CentOS, SolarisX64, and SuSe; advanced skills in Linux scripting, distributed filesystems, clustered blade systems; and Tier 3 support expertise in enterprise services like Active Directory, Microsoft Exchange, and monitoring tools.

AT&T

Telecommunications services including wireless and broadband

About AT&T

AT&T provides telecommunications services, including wireless communications, broadband internet, and digital television, primarily in the United States. Its 5G network offers faster data speeds and more reliable connections, although availability can vary. The company caters to both individual consumers and businesses, offering various subscription plans that include options for unlimited data and bundled services that combine internet, TV, and phone. AT&T generates revenue mainly through subscription fees, device sales, and its streaming service, DIRECTV STREAM, which adds to its diverse offerings. In a competitive market, AT&T distinguishes itself with its extensive service range and strong brand presence.

Dallas, TexasHeadquarters

1876Year Founded

$43.3MTotal Funding

IPOCompany Stage

Consumer Software, EntertainmentIndustries

10,001+Employees

Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Plan

401(k) Company Match

Paid Vacation

Paid Sick Leave

Paid Holidays

Paid Parental Leave

Adoption Assistance

Disability Insurance

Life Insurance

Employee Assistance Programs

Wellness Program

Employee Discounts

Risks

The customer service guarantee may increase financial liabilities due to compensation for outages.

A recent data breach could damage AT&T's reputation and lead to customer churn.

Resistance to replacing landlines may impact customer retention and satisfaction.

Differentiation

AT&T offers a unique customer service guarantee, setting it apart from competitors.

The company is expanding its fiber network, enhancing broadband offerings in underserved areas.

AT&T's 'Phone-Advanced' device aligns with the trend of replacing traditional landlines.

Upsides

AT&T's fiber network expansion could provide a competitive edge in broadband services.

The new customer service guarantee may attract customers from competitors lacking similar assurances.

Collaboration with The Arc enhances AT&T's brand image through corporate social responsibility.

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