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About
Junior Microsoft Systems Administrator (Windows / NIST 800-53 / Cybersecurity) Location:
Montgomery, Alabama Position Status:
Contract Pay Rate:
$35/hr on W2 Position Description: We are seeking a
Junior Microsoft Systems Administrator
with a strong foundation in
Windows Server administration and cybersecurity compliance
to support enterprise environments aligned with
NIST SP 800-53
standards. This role is ideal for candidates who are passionate about
system hardening, endpoint security, and compliance frameworks , and want to grow within a
security-focused, mission-driven environment . You will play a key role in securing Windows infrastructure through
baseline configuration, access control enforcement, and continuous monitoring . Key Responsibilities: Administer, configure, patch, and
harden Windows Server (2019/2022) and Windows 10/11 systems
in compliance with NIST SP 800-53 Rev. 5 Implement and maintain security controls across key domains:
Access Control (AC), Configuration Management (CM), Identification & Authentication (IA), Audit & Accountability (AU), System Protection (SC) Manage and enforce security configurations using
Group Policy (GPO), Microsoft Intune, and Endpoint Manager (MEM) Apply system hardening techniques including: Least privilege access and
privileged account management (PAM) Multi-factor authentication (MFA) Firewall configuration and endpoint protection BitLocker encryption and secure configurations Application control (AppLocker) and service minimization Support
Active Directory, Azure AD (Entra ID), Microsoft Defender for Endpoint, and Azure Policy Perform
vulnerability assessments, compliance scans (e.g., Nessus/Tenable) , and remediation activities Maintain documentation for compliance including
System Security Plans (SSP), POA&Ms, and audit artifacts Contribute to maintaining continuous
ATO (Authority to Operate)
readiness Required Skills/Education: 2+ years of experience in
Windows Systems Administration (Server & Desktop)
in enterprise environments Strong hands-on experience with: Active Directory, Group Policy, PowerShell scripting SCCM/MECM, Microsoft Intune, Microsoft Defender suite Working knowledge of
NIST SP 800-53 security controls
and compliance frameworks Experience with
system hardening, configuration baselines, and least privilege principles Familiarity with
vulnerability management tools
(Nessus, Tenable, or similar) Ability to automate tasks and compliance checks using
PowerShell Bachelor’s degree in
Computer Science, Information Technology, Cybersecurity , or equivalent experience Preferred Skills: Certifications such as: Microsoft Certified: Windows Server Hybrid Administrator Associate
or Endpoint Administrator CompTIA Security+
or equivalent cybersecurity certification Hands-on experience with: Azure AD (Entra ID), Microsoft Defender for Endpoint , Azure Policy Compliance frameworks such as
NIST 800-171, CMMC, or FISMA Why Join This Opportunity? Work on
high-impact, security-driven projects
supporting federal environments Gain hands-on experience with
modern Microsoft security tools and cloud-integrated infrastructure Collaborate with experienced professionals in
cybersecurity and systems engineering Clear path for
career growth in security and cloud technologies About Seneca Resources At Seneca Resources, we are more than just a staffing and consulting firm—we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact. When you work with Seneca, you’re choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. We take the time to understand your goals and match you with roles that align with your skills and career path. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way. Seneca Resources is proud to be an Equal Opportunity Employer , committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.
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