Cybersecurity Network Administrator

Company Profile

Oceaneering Technologies (OTECH) develops, manufactures, and operates customized marine systems, shipboard equipment, subsea vehicles, and engineered solutions for commercial and U.S. military vessels.

Oceaneering Aerospace and Defense Technologies (AdTech) delivers solutions that enable humans to work safely and effectively in harsh environments – from underwater to the outer reaches of space. Our innovative solutions support the development and application of practical, cost-effective systems that meet our customers’ challenges – from routine to extreme. Our experience and expertise across multiple industries uniquely positions us as a leader in the government, space, and maritime services markets. Our products and services meet the rigorous demands of the complex environments in which they operate, delivering results without compromising safety or reliability.

Oceaneering is a global provider of engineered services and products, primarily to the offshore energy industry. We develop products and services for use throughout the lifecycle of an offshore oilfield, from drilling to decommissioning. We operate the world's premier fleet of work class ROVs. Additionally, we are a leader in offshore oilfield maintenance services, umbilicals, subsea hardware, and tooling. We also use applied technology expertise to serve the defense, entertainment, material handling, aerospace, science, and renewable energy industries.

Position Summary

As the Information Systems Security Manager (ISSM), I’m seeking a highly skilled Network Administrator to join our contractor team in supporting the design, implementation, and sustainment of our classified SIPRNet infrastructure. This role is mission-critical and focused on maintaining system integrity, security compliance, and operational availability for sensitive network environments.

CLEARANCE REQUIREMENT:

Active Secret Clearance: U.S. Citizenship is required

Duties And Responsibilities

- Evaluate cybersecurity requirements and implement into necessary processes and systems.

- Characterize cyberattacks surface.

- Administer, monitor, and maintain SIPRNet systems, including switches, routers, firewalls, and encrypted communication devices.

- Implement, configure, and troubleshoot network hardware and software aligned with DoD standards.

- Apply STIGs and security controls for SIPRNet systems in compliance with RMF and DoD cybersecurity guidance.

- Ensure proper access controls, audit logs, and system hardening procedures are enforced.

- Maintain network documentation including diagrams, change logs, and security reports.

- Provide Tier II/III support and respond to system outages or anomalies swiftly.

- Collaborate with cybersecurity staff to support continuous monitoring, vulnerability remediation, and risk assessments.

- Coordinate with the Defense Information Systems Agency (DISA) and other agencies for connectivity, accreditation, and compliance issues.

- Assisting with forensic investigation.

- Identify and analyze cooperative vulnerability.

- Develop system cross-functional cyber analysis.

- Advise on RMF compliance tasks/documents (security assessment plan, etc.).

- Security configuration management (assess planned services for risk and impact).

- Design, develop, and implement system security measures that meets technical requirements.

- Develop approaches to mitigate system vulnerabilities.

- Additional duties as assigned.

Qualifications

- Minimum 5 years of hands-on experience supporting classified networks; prior SIPRNet experience strongly preferred.

- Proficient in network administration and security of Cisco, Juniper, and other DoD-compliant technologies.

- Familiarity with RMF, NIST SP 800-53, STIGs, and other federal cybersecurity controls.

- Experience with cross-domain solutions, Type 1 encryption devices, and secure transport protocols.

- Strong troubleshooting skills in secure network environments under pressure.

- Certifications desired: CCNA, Security+, CISSP (or IAM/IAT Level II equivalent).

Additional Information

This position is Hybrid - Remote and will require commuting to a designated office. Hybrid work schedules are determined by the hiring manager based on business need.

PAY, BENEFITS AND WORK SCHEDULE:

We offer a comprehensive and competitive benefits package. Employee benefits vary by role, however, may include Health and Wellness, Mental Health, Retirement Savings, Life and Disability, Paid Maternity and Parental Leave, Paid Time Off, Tuition Reimbursement, and an Employee Assistance Program. Annualized pay for this position : $110,500 - $149,500.

Equal Opportunity Employer

All qualified candidates will receive consideration for all positions without regard to race, color, age, religion, sex (including pregnancy), sexual orientation, gender identity, national origin, veteran status, disability, genetic information, or other non-merit factors.

How To Apply

Regular full-time employees who apply will be considered along with external candidates. Employees with less than six months with their current position are not eligible to apply for job postings. Please discuss your interest in the position with your current manager/supervisor prior to submitting your completed application.