Senior Level Network Security Administrator Jobs
Senior level network security administrator jobs place experienced professionals in charge of enterprise security architecture, vulnerability management programs, and the teams and initiatives that defend organizational infrastructure. Openings concentrate in Technology & Software, Telecommunications, and Investment & Asset Management, with a strong mix of on-site, remote, and hybrid positions available and employers like Transaction Network Services (TNS), Meta, and Amazon hiring at this level now.
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Manager, Network Architecture & Operations (Hybrid - Columbia, SC)
The Manager of Network Architecture & Operations leads AgFirst's network team as a hands-on player coach, with responsibility for the architecture and day-to-day operation of the enterprise network across data centers, offices, supported Farm Credit associations, and hybrid cloud environments. The Manager establishes network architecture standards and the network roadmap, leads and develops network engineering staff, directs contracted and managed service partners, and ensures network, perimeter security, remote access, and voice services are reliable, secure, compliant, and prepared to support business continuity and disaster recovery objectives. The Manager reports to the Director of Technology Architecture & Operations.
What You'll Do
Network Architecture & Strategy
- Own the enterprise network architecture across data center, campus, WAN, wireless, internet edge, and hybrid cloud environments, including architecture standards, reference designs, and the network roadmap.
- Serve as the hands-on network design authority, producing and reviewing designs for new initiatives and providing technical direction for complex solutions.
- Lead network design for cloud adoption and modernization, including hybrid cloud connectivity, secure access service edge (SASE), and software-defined WAN.
- Advance network automation and infrastructure as code to improve the consistency, speed, and reliability of network delivery.
- Evaluate and recommend new technologies and manage platform lifecycle and technical debt to maintain a supported, scalable, and cost-effective network.
Network Engineering & Operations
- Ensure the availability, performance, and capacity of network, remote access, voice, and contact center services, including defining, measuring, and reporting service levels.
- Maintain proactive monitoring and disciplined incident, problem, and change management, serving as the escalation point for major network incidents and root cause analysis.
- Maintain accurate network documentation, inventory, diagrams, and runbooks, and continuously improve service management processes for network services.
- Plan and execute the network components of business continuity and disaster recovery, including recovery testing across data center and cloud environments.
- Direct contracted resources, managed service providers, and carriers and hold them accountable for performance against established scope and service levels.
Network Security, Risk, & Financial Management
- Own network security controls, including firewalls, segmentation, and remote access, in partnership with Information Security, and complete required reviews and attestations.
- Ensure network designs and operations meet bank policy, regulatory, and audit requirements, including maintaining control evidence and remediating findings and identified risks.
- Remediate vulnerabilities and maintain network platforms on current, supported software within required timelines.
- Manage network expenditures within the approved budget, track variances, review invoices and accruals, and contribute to annual budget planning.
- Manage network vendor relationships, contracts, renewals, and third-party risk management activities.
Team Leadership & Development
- Lead and manage network engineering staff, including setting priorities, assigning work, providing performance feedback, coaching, and supporting employee development.
- Establish clear team accountabilities and align resources with network strategy, operational requirements, and business priorities.
- Build team capability through knowledge sharing, cross-training, mentoring, and development of technical expertise.
- Foster a culture of accountability, collaboration, continuous improvement, and disciplined engineering and operational practices.
What You'll Need
- Bachelor's degree in Information Technology, Computer Science, Network Engineering, or related field; equivalent relevant experience may be considered in lieu of a degree.
- 7-9 years of experience in enterprise network engineering, architecture, or operations.
- 4-6 years of experience leading or supervising technical teams, including contracted or managed service resources.
- 1-3 years of experience designing and supporting hybrid cloud network connectivity.
- 1-3 years of experience with SASE, software-defined WAN, or network automation initiatives.
- 1-3 years of experience in financial services or another regulated industry.
- Certifications: CCNP - Cisco Certified Network Professional, AWS Certified Solution Architect, ITIL Foundations v3
- Advanced knowledge of enterprise network architecture and design, including routing, switching, data center, WAN, and wireless technologies.
- Knowledge of network security principles and technologies, including firewalls, segmentation, remote access, and zero trust.
- Knowledge of hybrid and public cloud networking architectures and connectivity.
- Skill in vendor, contract, and budget management.
- Ability to communicate complex technical designs, risks, recommendations, and operational status clearly to technical and nontechnical audiences.
- Ability to lead, coach, and develop technical professionals and establish clear priorities and accountability.
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Find JobsSenior Level Network Security Administrator Job Market
Who's Hiring
- Transaction Network Services (TNS)33

- Meta7

- Amazon7

- Coinbase6

- Ursus6

Top Industries Hiring
- Technology & Software66
- Telecommunications33
- Investment & Asset Management11
- Healthcare & Medical Services9
- Staffing & Recruiting8
Senior Level Network Security Administrator Jobs: Frequently Asked Questions
How do I get a senior level network security administrator job?
Employers at this level look for demonstrated ownership of security programs, not just task execution. Candidates who stand out hold advanced certifications like CISSP, CISM, or CCIE Security, can speak to architectural decisions they have driven, and show experience mentoring junior staff. Highlighting past work leading incident response, designing zero-trust frameworks, or reducing enterprise risk positions you above applicants with similar years of experience.
Which companies hire senior level network security administrators?
Companies hiring senior level network security administrators right now include Transaction Network Services (TNS), Meta, and Amazon, based on current listings on Migrate Mate as of November 2026. At this level, hiring tends to come from large enterprises, defense contractors, managed security service providers, and regulated industries that require hands-on security leadership rather than generalist IT coverage.
Are there remote senior level network security administrator jobs?
Yes, though availability varies by employer and security clearance requirements. About 27% of senior level network security administrator openings are remote or hybrid as of November 2026, reflecting strong demand for experienced security professionals who can operate independently. Roles tied to classified environments or critical on-premises infrastructure are more likely to require an on-site presence.
What makes a network security administrator role senior level?
Senior level roles are defined by scope and accountability rather than task count. At this stage, you own security programs end to end, make architectural decisions that affect the entire organization, lead incident response efforts, and mentor junior and mid-level staff. Employers expect you to anticipate threats proactively, translate technical risk into business terms for leadership, and drive policy rather than simply enforce it.
Which industries hire the most senior level network security administrators?
Senior Level network security administrator roles concentrate in Technology & Software, Telecommunications, and Investment & Asset Management, based on current listings on Migrate Mate as of November 2026. These sectors drive hiring at this level because they handle sensitive data, face strict compliance requirements, or operate infrastructure where a security breach carries significant operational or regulatory consequences.