Network Security Administrator

The Network Security Administrator is responsible for network boundary protection, cybersecurity posture, and accreditation oversight of IT systems across the Navy Medicine Operational Training Command (NMOTC) Enterprise. This role ensures compliance with DoD cybersecurity policies, oversees network security operations, and supports system accreditation processes under DISA, DoN, and DHA frameworks.

RESPONSIBILITIES

• Manage and maintain perimeter defense systems (e.g., firewalls, IDS/IPS, VPNs).

• Monitor network activity for signs of unauthorized access or anomalous behavior.

• Implement and manage network segmentation and access control policies.

• Oversee system security authorization efforts, including support for RMF (Risk Management Framework).

• Coordinate with Information System Security Officers (ISSOs) and Information System Security Managers (ISSMs) to maintain Authority to Operate (ATO) status.

• Ensure compliance with DISA STIGs, DoD 8500.01, DoDI 8510.01, and other applicable regulations.

• Conduct vulnerability scans and ensure remediation of findings using tools such as ACAS (Tenable/Nessus).

• Track, document, and report open security findings and POA&Ms (Plans of Action and Milestones).

• Maintain configuration baselines and patch management across systems and devices.

• Detect and respond to security incidents and breaches in accordance with NMOTC protocols.

• Conduct incident analysis, reporting, and mitigation.

• Work with cyber defense teams and respond to escalations.

• Maintain detailed security documentation for system configurations, incidents, and compliance audits.

• Support development of security plans, SOPs, and accreditation artifacts.

• Submit reports to the Contracting Officer Representative (COR) and Security Manager as required.

• Collaborate with network administrators, system engineers, and application developers to implement secure architectures.

• Provide cybersecurity input during system design, integration, and upgrades.

• Serve as SME (subject matter expert) on cybersecurity policies and procedures.

• Support PKI, CAC, and multi-factor authentication integration.

• Review and audit system access requests and ensure users meet appropriate clearance levels.

• Ensure implementation of least privilege and separation of duties.

• Ensure team members complete annual Cyber Awareness, CUI, and OPSEC training.

• Promote cybersecurity best practices across the contract team.

REQUIRED QUALIFICATIONS

• 5+ years of DoD IT or 7+ years of general IT experience.

• Must be trained and certified on the specific Operating System or Computing Environment they maintain (e.g., Windows Server, Linux, Cisco)

• IAT LVL III (e.g., GIAC, CISSP, CASP, CISM)

COMPETENCIES

• Network Security & Architecture

• Cybersecurity & Compliance

• System Accreditation & ATO Support’

• Incident Response

• Communications & Documentation

• Technical Toosets (e.g., ACAS, HBSS, Splunk, etc.)

We are seeking a Network Security Administrator to join ITSS supporting Department of Navy.

Tek Synap is a fast-growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment. “Technology moving at the speed of thought” embodies these principles – the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers.

We offer our full-time employees a competitive benefits package to include health, dental, vision, 401K, life insurance, short-term and long-term disability plans, vacation time and holidays.

Visit us at

Apply now to explore jobs with us!

The safety and health of our employees is of the utmost importance. Employees are required to comply with any vaccination requirements mandated by contract, applicable law or regulation.

By applying to a role at Tek Synap you are providing consent to receive text messages regarding your interview and employment status. If at any time you would like to opt out of text messaging, respond "STOP".

As part of the application process, you agree that Tek Synap Corporation may retain and use your name, e-mail, and contact information for purposes related to employment…