Systems Administrator IV

Oceaneering•Suitland, MD

7d•Onsite

About The Position

Oceaneering International is seeking a Systems Administrator to partner on a large enterprise IT contract for the DOD. The Systems Administrator provides technical system administration and operations. This role maintains enterprise network infrastructure to ensure proper configuration, availability, performance, capacity, and maintenance (including application of the latest patches and upgrades). This role monitors technology obsolescence, manages upgrades, and evaluates alternatives across on-premises and IT infrastructures, both virtual and physical. The qualified candidate will be a part of a small, agile, embedded team that provides on-site support to include system administration, network administration, information assurance, communication, and infrastructure. Embedded personnel are considered mission essential.

Requirements

2-6 years of relevant experience with Associate’s Degree in information technology, computer science. Equivalent work experience may be considered in lieu of a degree.
Basic cybersecurity knowledge.
Oral and written communication for change procedures, and management updates.
Domain and expert technical knowledge.
Experience working independently on technical network activities in support of a client.
Must have or be able to obtain a TS security clearance, be able to take/pass a polygraph, and be able to maintain both for the tenure of this position.
Position tenure ship is dependent on completing the full security clearance application process successfully within 1-2 years of accepting position.
Must have all required IT / Security certifications and maintain for the tenure of this position.
Must be a U.S. Citizen.

Nice To Haves

Prior experience in Storage, VMWare, System/Network Admin Tools: NetApp
DoD or similar Federal Agency industry experience
Continuing Learner: Aware of industry changes, through associations, journals, media consumption etc.
Personal Growth – Individual activity pursuing or maintaining Microsoft certifications

Responsibilities

Installation, configuration, administration, support, and maintenance of networks, including associated hardware.
Updating to new technologies, tuning performance, and prioritizing the implementation of critical system patches.
Data center support including racking and cabling diverse equipment.
Resolving network problems in cooperation with senior network engineers.
Troubleshooting problems using tools and routine procedures; escalating as appropriate.
Executing scheduled maintenance routines in accordance with standard procedures.
Administering, maintaining, and troubleshooting Microsoft Active Directory infrastructure, including user and group account management, OU structure, and Group Policy Objects (GPOs).
Monitoring domain controllers, replication, and DNS configurations to ensure high availability and performance of the AD environment.
Implementing and managing Group Policy to enforce security settings, software deployment, and user environment configurations.
Collaborating with Cyber teams to implement role-based access control (RBAC) to systems and network storage, administering account lifecycle management.
Configuring and deploying Microsoft Windows Servers, Desktops, and Laptops, including installation, patch management, and baseline system configuration.
Implementing standard configuration baselines and security settings on all deployed systems in line with organizational policies.
Implementing and maintaining system security baselines, including firewall settings, antivirus configurations, and user access controls aligned with organizational policies.
Providing post-deployment support including troubleshooting hardware/software issues and validating adherence to baseline configurations.
Installing, configuring, and maintaining VMware ESXi hosts and vCenter Server to ensure a stable and scalable virtualization infrastructure.
Monitoring and managing virtual machines (VMs), including provisioning, cloning, migrating (vMotion), and resource allocation.
Performing regular updates, patches, and upgrades of ESXi hosts and related VMware tools to maintain security and performance.
Configuring, deploying, and maintaining Cisco switches, including Catalyst and Nexus series, to support enterprise network infrastructure.
Performing VLAN setup, trunking, and inter-VLAN routing to segment and optimize network traffic.
Configuring and maintaining security features such as port security, Access Control Lists (ACLs), and 802.1X authentication.
Managing switch stacking and link aggregation (EtherChannel) to enhance network bandwidth and resilience.
Documenting network configurations, topology changes, and maintaining accurate inventory of hardware and software versions.
Managing and maintaining NetApp storage arrays, including configuration, provisioning, and monitoring of storage volumes and aggregates.
Configuring and optimizing storage protocols such as NFS, CIFS/SMB, iSCSI, and Fibre Channel for diverse client environments.
Implementing data protection strategies including snapshots, replication (SnapMirror), and backups to ensure data availability and disaster recovery.
Troubleshooting storage-related issues, performing root cause analysis, and coordinating with vendor support for timely resolution.
Monitoring system health, capacity utilization, and performance metrics.
Working independently and as a team member.
Determining approach to work, monitored / supervised based on key objective check-ins.
Leading assignments for specific job functions or projects.
Leading entry-level individual contributors to ensure work completion as per set standards and procedures.
Other duties as assigned.