Location: Baltimore MD
Responsibilities:
Client is hiring for a Unix DNS Bind Administrator, to provide Domain Name Server (DNS) administration and UNIX system support to manage and edit internal facing BIND DNS in our client's Enterprise Environment.
In support of the task, the candidate shall perform the activities described in the sections below:
- Manage static and dynamic BIND DNS zones using any appropriate UNIX editor.
- Use basic UNIX navigation skills (cd, ls, cat, find, grep, su, etc.) to perform DNS functions (nsupdate, nslookup, dig, host) and locate data records to resolve old or stale and cached DNS information.
- Maintain DNS records for the network, managing over 160,000 hosts.
- Develop/maintain scripts (including but not limited to Shell/Perl) to automate daily record cleanup, backups, and UNIX administration tasks.
- Manage email/web based tasking on a daily basis to resolve incoming tickets and change requests.
- Respond to telephone and email requests and inquiries from remote sites as well as inquiries from technical staff.
- Troubleshoot DNS issues in a heterogeneous UNIX / Windows environment.
- Configure and support all integration between the internal BIND DNS, Active Directory DNS and the various other DNS environments (External facing, AWS. mainframe, load balancer, AS400s, hosted, etc.) within the the Enterprise. This includes but is not limited to delegations, forwarding, and spoofing and other special functions.
- Coordinate activities with those who hold technical responsibility for the various other DNS environments.
- Perform Solaris (10, 11 and newer) system administration to include installation of latest patch cluster and security cluster maintenance on all internal BIND DNS servers to ensure compliance with the client's UNIX security model and monthly security audits.
- Modify the DNS records to keep up with the installation schedules of key agency initiatives such as workstation refreshment, printer replacement, and Internet Protocol (IP) readdressing, Cloud initiatives.
- Develop system specifications/configurations as well as BIND and AD DNS structural design to support the internal facing BIND DNS environment.
- Use the latest Windows workstation AD Administration tools and SSH client as an interface to the environment as well as the associated MS Office Suite (including Visio) for all documentation creation.
- Develop and document solutions for preventive maintenance.
- Analyze and document the BIND DNS and AD DNS environment.
- Document scripts per direction of the Task Manager
Successful candidates should have:
- DNS in both Unix and Windows Environments
- BIND
- Knowledge of network IPv4/IPv6 TCP/IP based protocols
- DNS troubleshooting
- Unix System Administration (Solaris 10 or 11)
- Scripting (Perl, Shell, bash)
- Active Directory
2. Role: Websphere Support
Location: Woodlawn MD
Scope of Task
The objective of this task is to provide ongoing technical support for SSA system users; work with SSA systems programmers to monitor the online systems; and provide troubleshooting of systems and applications problems as they occur. In support of the task, the contractor shall perform activities described in the sub-tasks below.
Sub-Task 1:
Troubleshooting and Analysis Purpose: Troubleshoot problems detected in the online applications.
Activities:
· Analyze and debug WebSphere MQ series performance problems.
· Analyze and debug WebSphere Application Server (WAS) problems.
· Troubleshoot other WebSphere related issues.
· Respond to Hot Terminal and pager messages identifying problems.
· Identify and report Z/OS, JES3, Top Secret and other underlying system software problems.
· Identify and troubleshoot CICS and database problems.
· Download CICS system and application dumps.
· Perform CICS system dump analysis and provide recommendations.
· Troubleshoot DB2 and IDMS problems.
· CICS programming using Common Business Oriented Language (COBOL), Java and assembly.
· Debrief all SSA management and staffs on the problem and its resolution including how the problem was detected, resolution alternatives, reasoning for course of action chosen, results of resolution, and any fallout.
· Update all troubleshooting databases as needed via SMAB's internal reporting mechanism (the Greenbook) detailing event and actions taken, as well as opening and closing associated CAPRS tickets as requested, publicly documenting problem or resolution information.
Deliverables:
· The contractor shall communicate issues to Task Manager via phone, email or alert as soon as possible after discovery of a problem within 30 minutes of the occurrence.
· The contractor shall examine and resolve each problem within a reasonable amount of time based upon the severity and escalation procedures involved in the scenario or related to the application. This timeline will vary but notification and examination should begin immediately following any issue with updates and status reports daily.
· The contractor shall update all troubleshooting databases as needed via SMAB's internal reporting mechanism (the Greenbook) within same day as discovery and immediately following resolution.
Sub-Task 2:
Monitor Online Systems Purpose: Work with SSA personnel and other contractors to monitor the online applications and detect, notify and troubleshoot problems, which may adversely affect the performance of the online systems and delivery of service to SSA customers.
Activities:
· Monitor WebSphere MQ and WebSphere Application Server (WAS) applications utilizing various monitoring tools including Omegamon/Omegaview, Tivoli ITCAMS, CICSplex and ABEND Aid to identify/isolate problems.
· Monitor more than 650 CICS regions in production, training and integration environments utilizing various monitoring tools including Omegamon/Omegaview, Tivoli ITCAMS, CICSplex and ABEND Aid to identify/isolate problems.
· Monitor DB2 and IDMS database subsystems and coordinate with other branches and teams within the division to identify and resolve issues.
· Respond to Hot Terminal, SSA Alerts and email messages identifying problems
· Work independently and with other Monitor Room personnel to troubleshoot problems detected in the online applications including Short on Storage and Maxtask conditions.
· Upon detection of a problem, begin level 1 troubleshooting activities such as reading system and application dumps and provide recommendations and perform basic resolution activities.
· Investigate CICS storage violations and recommend dynamic changes to CICS region settings to correct or contain CICS problems – with approval from the Task Manager or his/her designee.
· Identify and report Z/OS, JES3, Top Secret, peripheral device and file contention problems and other underlying system software problems.
· Take full system and snap dumps, start system traces, perform system IPLs and manipulate peripheral devices.
· Recognize and resolve operational problems affecting batch job processing and make changes to system software source libraries, table libraries, JCL libraries, and load libraries on an emergency basis to correct operational problems.
· Research problems to determine root cause and participate in data gathering for studies to determine the most effective configurations for matching system capacity to operational needs.
· Update all troubleshooting databases as needed via SMAB's internal reporting mechanism (the Greenbook) detailing event and actions taken, as well as opening and closing associated CAPRS tickets as requested, publicly documenting problem or resolution information.
Deliverables:
· The contractor shall communicate issues to Task Manager via phone, email or alert as soon as possible after discovery of a problem within 30 minutes of the occurrence.
· The contractor shall examine and resolve each problem within a reasonable amount of time based upon the severity and escalation procedures involved in the scenario or related to the application. This timeline will vary but notification and examination should begin immediately following any issue with updates and status reports daily.
· The contractor shall update all troubleshooting databases as needed via SMAB's internal reporting mechanism (the Greenbook) within same day as discovery and immediately following resolution.
Assumptions, Constraints and Special Conditions
Hours and Location of ServiceFull-time support is required within a flexible band for all shifts (Day, Night, Midnight & Weekend), Monday through Sunday. We are a 24/7 component and individual schedules shall be set in response to the needs of the Government. Alternate work schedules are required as needed. This position is day shift.Occasional scheduled weekend, Holiday and off-hour support will be required to conduct installation and migration of software.
Please share the profile at Mouli@xeninfotech.com or 703-445-5366
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