Tier III Systems Administrator

3 weeks ago

Fort Belvoir, United States Planned Systems International Full time
Essential Functions and Job Responsibilities:
- Install, support and maintain hardware and software infrastructure according to best practices, industry standards, and/or customer/organizational requirements including routers, switches, firewalls, servers, and storage systems.
- Diagnose problems and solve issues, often under time constraint.
- Implement the necessary controls and procedures to protect information systems assets from intentional or inadvertent modification, disclosure, or destruction.
- Provide network and host-based security, incident response, and log collection and analysis.
- Perform regular security monitoring to identify any possible intrusions.
- Assist in the development of guidelines and procedures for administration and security best practices.
- Monitor resource usage, anticipate problems, and suggest solutions.
- Manage production systems and provide higher-level technical support (Tier II, III) to clients when needed.
- Work closely with colleagues to meet team goals and improve processes and practices.
- Create and maintain documentation of the systems.
- Manage hypervisors in and VMware environment, including configuration, deployment, troubleshooting and maintenance.
- Provide software and hardware support to the development team.
- SQL Server database administration required including, Installation, configuration, maintenance, backup, and security.
- Setup offsite disaster recovery environment.
- Basic support for SAN (Storage Area Network) and NAS (Network-Attached Storage) devices.
- Review system and security logs and report to team regarding incidents or potential threats to the network environment, users or infrastructure.
- Monitor the production environment and report any code/security related issues to the development team. Minimum Requirements:
- Active TS/SCI security clearance.
- 8+ years’ experience in the Information Technology field (or 4 years with 4-year related college degree, MIS, CIS, etc).
- BA or BS degree in Information Technology or similar desirable if under 8 years experience.
DoD 8140/8570.01-M Baseline IA at IAT II or better: CCNA, CySA+, GICSP, GSE, Security+ CE or SSCP.
- Outgoing team player and self-motivated individual with excellent communication skills with the ability and desire to interact with all users and work closely with other technical staff or independently.
- Demonstrated ability to multi-task effectively under pressure with the ability to frequently reassess priorities for multiple tasks or projects.
- Strong time management and resource management capabilities. Desired Qualifications:
- Operation experience with NIPR, SIPR, JWICS, DDTE, DREN, SDREN, AWS, AWS GovCloud (US), milCloud, SC2S, and/or C2S.
- Build, operate, and maintain Windows Server 2016 and Windows Server 2019, RHEL and CentOS 6, 7 servers.
- Manage Active Directory, configure and manage Windows Network Policy Server (Dot1X,RADIUS), configure Group Policy Objects (GPO), apply and/or assess operating system, web server, and web application STIGs and SRGs.
- Windows Server, RHEL, CentOS, and understanding/experience with application of DISA IASE STIGs and SRGs and DoD, Army, and IC policies and procedures.
- IIS, Splunk, BMC, Ivanti, SolarWinds, ArcGIS, Backup Exec, HBSS.
- Experience with NetApp, Quantum, and/or Nimble storage products and cloud storage such as AWS EBS, EFS, S3, S3 IA, Glacier.
- Install, configure, and manage, and maintain VMware vSphere 6.x, ESXi, vCenter. Be able to apply and/or assess applicable STIGs and SRGs.
- Configure and manage MS SQL and PostgreSQL databases and apply and/or assess database STIGs or SRG.
- Experience with disaster recovery configurations.
- Knowledgeable in application transport and network infrastructure protocols (SSL/TLS, DNS, DHCP, NTP, SSH, HTTP/S, SMTP and Microsoft AD), and possess an understanding of how to support these applications/protocols.
- Experience with systems and data encryption.
- Experienced with fail-over clusters, load balancing and data replication technologies.
- Familiarity with configuring both CISCO and Brocade Fibre Channel switches.

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