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IT Systems Engineer Level 3

Adeptus Solutions, Inc, Washington, District of Columbia, United States


Senior IT Systems Engineer
Adeptus Solutions, Inc.
Washington, DC (Onsite; limited remote flexibility)
Full-Time / Contract
Clearance: Public Trust (must be able to obtain)

Overview
Adeptus Solutions, Inc. is seeking a

Senior IT Systems Engineer

to support enterprise IT operations for a federal client in Washington, DC. This role supports a hybrid environment (on-premises and Microsoft Azure) and focuses on system reliability, security compliance, and infrastructure modernization.

Responsibilities

Administer and maintain on-premises and cloud-based IT systems

Manage Microsoft 365 and Entra ID (Azure AD), including MFA and Conditional Access

Support Windows and Linux servers, virtualization, and networking

Implement and maintain security baselines, STIGs, and compliance controls

Perform patch management, vulnerability remediation, and system hardening

Assist with disaster recovery planning, testing, and implementation

Provide technical recommendations to IT leadership

Document system configurations, procedures, and standard operating practices

Required Qualifications

6+ years of recent, continuous experience in IT systems engineering or administration

Strong experience with Microsoft Azure and Microsoft 365

Hands-on experience with Windows and Linux systems administration

Understanding of federal IT compliance frameworks (FISMA, NIST)

Ability to troubleshoot and resolve complex technical issues independently

Preferred Qualifications

Microsoft or Azure certifications (e.g., Azure Administrator, Azure Solutions Architect)

Experience with VMware and hybrid cloud environments

PowerShell or other scripting experience

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