Overview

Are you a Senior Cyber Security Specialist who would like to have a positive impact for millions of people? If so, we may have an opportunity for you!

TISTA associates enjoy above Industry Healthcare Benefits, Remote Working Options, Paid Time Off, Training/Certification opportunities, Healthcare Savings Account & Flexible Savings Account, Paid Life Insurance, Short-term & Long-term Disability, 401K Match, Tuition Reimbursement, Employee Assistance Program, Paid Holidays, Military Leave, and much more!

Responsibilities

Administer, configure, and troubleshoot enterprise inline security systems, including Firewalls, malware Protection Systems, and network taps and packet broker switches.
Perform real-time network and system malware protection, detection, event triage, and log analysis across inline and passive security sensors.
Develop, tune, and maintain whitelisting and blacklisting security policies, access control rules, and security profiles.
Apply strong understanding of ports, protocols, services, IP addressing, and CIDR-based rules to enforce enterprise access controls.
Analyze syslog, event logs, and network telemetry to support dashboards, threat awareness, and compliance requirements.
Perform troubleshooting of traffic flows, session behavior, and inline inspection issues in coordination with network and application teams.
Conduct compliance assessments in accordance with CISA, NIST, and OMB directives.
Prepare documentation, SOPs, configuration guides, diagrams, and architectural notes for supported systems.
Provide briefings, reports, and issue summaries to senior managers and VA leadership as requested.
Support lifecycle efforts such as upgrades, refreshes, and platform optimization for inspection systems.
Collaborate closely with the Security Operations Center, Network Engineering, Data Center teams, and application owners to ensure aligned security controls across the enterprise.
Contribute to the development of service-level metrics, KPIs, and operational maturity improvements across the security stack.
Maintain awareness of emerging cybersecurity threats and apply relevant knowledge to incident response and detection tuning.
Support or perform packet capture review, network session analysis, and traffic inspection validation.

Qualifications

Hands-on experience with Firewalls, including knowledge of Application-ID, Threat profiles, malware protection, and security policy design.
Experience with malware Protection Systems malware detection and inline analysis platforms.
Experience with network visibility equipment (taps, packet brokers, service chain filtering).
Solid conceptual understanding of networking concepts including routing, switching, VLANs, VRFs, segmentation, and Cisco/Juniper environments.
Ability to evaluate and enforce rules using ports, protocols, CIDR ranges, and application-level identifiers.
Experience with IDS/IPS technologies, SIEM platforms, NAC, vulnerability management, and compliance frameworks.
Ability to perform event correlation, threat detection, and log analysis in large enterprise environments.
Strong understanding of hybrid on-prem and cloud environments (e.g., Azure and AWS), including how traffic, logging, and security controls integrate across them, as well as familiarity with enterprise telemetry pipelines.
Excellent documentation skills, including technical writing, SOP creation, architectural documentation, and configuration baselines.
Strong communication skills with the ability to explain complex technical concepts in clear, plain language to leadership or non-technical stakeholders.
Ability and willingness to continually expand skills and learn new technologies as organizational needs evolve.
Ability to work effectively with SOC analysts, network engineers, data center teams, system administrators, and application teams.

Preferred Skills:

Experience supporting the Department of Veterans Affairs or other federal healthcare environments.
Familiarity with ServiceNow, CMDB structures, workflow processes, and operational ticketing.
Awareness of Azure and AWS cloud services and cloud security concepts.
Understanding of virtualization and containerization concepts and their relationship to network security visibility.
Familiarity with enterprise WAF technologies.
Experience with vulnerability and compliance frameworks such as NIST, CISA, OMB, and FedRAMP.
Experience contributing to incident response workflows, detection tuning, and malware analysis processes.
Experience supporting SOP lifecycle management and configuration standardization across enterprise systems.
Proficiency with Microsoft Teams and SharePoint for communication and content management.
Familiarity with SIEM platforms and security data correlation workflows.
Strong professional demeanor with the ability to accept direction and contribute constructively to a team environment.
Strong accountability and reliability, with consistent availability and responsiveness in a remote work setting.
Self-motivated and results-driven, with a willingness to take initiative, propose improvements, and consistently set high performance standards, even in the absence of direct assignments.

Education:

Bachelor's Degree in Computer Science, Electronics Engineering, or equivalent PLUS 10 Years of experience.
Eight (8) years of additional relevant experience may be substituted for education.

Clearance:

The ability to pass a Tier 4/HIGH Background Investigation.

Location:

Remote, USA.
Monday - Friday (8:00 AM - 4:30 PM CST).

Pay Range:

The pay for this position ranges from $82,730 to $95,500.
The actual salary offer will carefully consider a wide range of factors, including your skills, qualifications, experience, and location.
Also, certain positions are eligible for additional forms of compensation, such as bonuses.
TISTAA associates are eligible to participate in our comprehensive benefits plan! More information can be found here: https://tistatech.com/working-at-tista/

Tista Science And Technology Corporation

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