System & Network Administrator (Junior)

Location: On-site – Cape Canaveral, Florida

Employment Type: Full-Time

Security Clearance: Active Top Secret or eligibility required

Certifications: DoD 8570 IAT Level II (Security+, CySA+, CASP+, or CISSP); Computing Environment certification (Windows Server, Network+, or Azure Administrator preferred)

About the Role

Alliance Cyber is seeking a motivated System & Network Administrator (Junior) to provide full-time, on-site IT support and system administration across multiple secured environments. The Administrator will ensure the availability, security, and performance of enterprise IT systems while supporting day-to-day operations, maintenance activities, and cybersecurity initiatives.

Key Responsibilities

End-User Support & Operations

o Provide daily help desk and deskside support for users and managed endpoints.

o Resolve hardware, software, and network incidents and coordinate Tier 3 escalations.

o Maintain user accounts, permissions, and role-based access controls via Active Directory and Group Policy.

System & Network Administration

o Install, configure, patch, and harden Windows and Linux systems in accordance with DISA STIGs and DoD security baselines.

o Manage server and desktop builds, scheduled backups, and quarterly restore tests.

o Support network infrastructure devices (switches, routers, firewalls) and perform basic configuration changes under supervision.

Cybersecurity & Compliance Support

o Implement security patches and updates in alignment with RMF controls and Continuous Monitoring requirements.

o Assist with vulnerability scanning, POA&M remediation, and audit artifact collection.

o Ensure all IT assets comply with NIST SP 800-171 and organizational cybersecurity standards.

Data Management & Secure Media Handling

o Manage classified and unclassified media deliveries and chain-of-custody documentation.

o Perform database and file system maintenance and support data integrity checks.

o Package and document secure deliverables in accordance with media handling procedures.

Documentation & Reporting

o Maintain system logs, user support tickets, and configuration records.

o Contribute to Continuous Monitoring and Backup Verification reports.

o Support policy reviews, SOP updates, and enhancement recommendations.

Qualifications

Education & Experience: Associate degree in IT or related field and 2+ years of system/network support experience; Bachelor’s preferred.
Technical Skills:

o Proficiency in Active Directory, PowerShell, Windows Server, and M365 administration.

o Understanding of network fundamentals (TCP/IP, DNS, DHCP, VLANs).

o Experience with backup software (e.g., Veeam) and security tools (e.g., Nessus, Sentinel, SIEM platforms).

o Familiarity with NIST SP 800-171, DISA STIGs, and RMF principles.

Soft Skills: Strong customer service, attention to detail, analytical thinking, and communication skills. Ability to work both independently and collaboratively.

About Alliance Cyber

Alliance Cyber is a Service-Disabled Veteran-Owned Small Business (SDVOSB) based on Florida’s Space Coast, delivering tailored cybersecurity, IT managed services, and compliance solutions to government and commercial clients. Our team combines deep technical expertise with a mission-driven culture focused on protection, innovation, and trust. We value professional growth, technical excellence, and community impact — empowering our employees to thrive while supporting clients’ most critical systems and data.

Alliance Cyber

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System & Network Administrator (Junior)