Systems Administrator

Sealing Technologies, a Parsons Company•Columbia, MD

1d•$103,000 - $136,000•Onsite

About The Position

Sealing Technologies, a Parsons Corporation company, is a trusted partner in providing powerful edge computing hardware and defensive cybersecurity solutions to protect the Federal Government and private enterprises. Our goal is to support the federal government, our allies, mission partners, and private industries in accomplishing their cybersecurity and defense objectives efficiently and securely through cutting-edge hardware, engineering, and integration services. Sealing Technologies, a Parsons Company, is looking to hire an experienced System Administrator to the team. In this role, you will be responsible for on-prem administration, automation, and security hardening of Windows and Linux environments. You will play a key role in maintaining system reliability, applying DoD security baselines, and enabling consistent, repeatable system deployments across the program. Note:This position is contingent upon award of an anticipated federal contract.

Requirements

U.S. Citizenship.
Bachelor's degree in Information Technology, Computer Science, or related field; equivalent experience may be considered.
5+ years of hands-on system administration experience across Windows and Linux environments.
Experience with automation and provisioning tools such as Ansible, PowerShell, or equivalent.
Experience applying DoD STIGs and maintaining compliance baselines.
Experience with Active Directory administration.
Experience with patch management and vulnerability remediation.
DoD 8570 IAT Level II certification (Security+ CE or equivalent), or ability to obtain within 6 months of hire.
Strong troubleshooting, documentation, and communication skills.
Must be able to lift, carry, and move packages weighing up to 50 lbs repeatedly throughout the workday to support delivery order fulfillment.

Nice To Haves

Active Secret clearance or ability to obtain one.
Experience supporting DoD Defensive Cyberspace Operations (DCO) programs.
Experience with virtualization (VMware, Hyper-V) and containerization (Docker, Kubernetes).
Experience with infrastructure-as-code practices (Terraform, Packer).
Experience with SIEM, EDR, or other endpoint security tooling.
Familiarity with the Risk Management Framework (RMF).

Responsibilities

Administer Windows laptop and workstation environments including imaging, automation, provisioning, and lifecycle management.
Administer Linux server environments including provisioning, automation, patch management, and configuration management.
Apply, validate, and maintain DoD Security Technical Implementation Guides (STIGs) across Windows and Linux systems.
Develop and maintain automated provisioning workflows using Ansible, PowerShell, or equivalent tools.
Manage Active Directory, including user accounts, group policy, and authentication services.
Perform patch management, vulnerability remediation, and security updates in accordance with DoD timelines.
Maintain system backup, recovery, and continuity processes.
Document system configurations, build procedures, and operational runbooks.
Troubleshoot Tier 2/3 system, network, and authentication issues.
Collaborate with engineering, security, and program teams to ensure systems meet mission requirements.