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)

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.

• Provide daily help desk and deskside support for users and managed endpoints.
• Resolve hardware, software, and network incidents and coordinate Tier 3 escalations.
• Maintain user accounts, permissions, and role-based access controls via Active Directory and Group Policy.

• Install, configure, patch, and harden Windows and Linux systems in accordance with DISA STIGs and DoD security baselines.
• Manage server and desktop builds, scheduled backups, and quarterly restore tests.
• Support network infrastructure devices (switches, routers, firewalls) and perform basic configuration changes under supervision.

• Implement security patches and updates in alignment with RMF controls and Continuous Monitoring requirements.
• Assist with vulnerability scanning, POA&M remediation, and audit artifact collection.
• Ensure all IT assets comply with NIST SP 800-171 and organizational cybersecurity standards.
• Manage classified and unclassified media deliveries and chain-of-custody documentation.
• Perform database and file system maintenance and support data integrity checks.
• Package and document secure deliverables in accordance with media handling procedures.

• Maintain system logs, user support tickets, and configuration records.
• Contribute to Continuous Monitoring and Backup Verification reports.
• Support policy reviews, SOP updates, and enhancement recommendations.

• Associate degree in IT or related field and 2+ years of system/network support experience;
  Bachelor’s preferred.

• Proficiency in Active Directory, Power Shell, Windows Server, and M365 administration.
• Understanding of network fundamentals (TCP/IP, DNS, DHCP, VLANs).
• Experience with backup software (e.g., Veeam) and security tools (e.g., Nessus, Sentinel, SIEM platforms).
• Familiarity with NIST SP 800-171, DISA STIGs, and RMF principles.

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

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.