TISTA Science and Technology Corporation · 3 weeks ago
Senior Cyber Security Specialist
United States
Full-time
Remote
Senior Level, Lead/Staff
$83K/yr - $96K/yr
10+ years expTISTA Science and Technology Corporation is seeking a Senior Cyber Security Specialist who aims to make a positive impact for millions of people. The role involves administering and troubleshooting enterprise security systems, performing real-time malware protection, and collaborating with various teams to ensure aligned security controls across the enterprise.
Application Performance ManagementCloud ComputingCloud SecurityCyber SecurityData ManagementData StorageDevOpsEnterprise ApplicationsIT InfrastructureIT Management
No H1B
Security Clearance RequiredU.S. Citizen Only
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
Qualification
Required
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
Bachelor's Degree in Computer Science, Electronics Engineering, or equivalent PLUS 10 Years of experience
The ability to pass a Tier 4/HIGH Background Investigation
Preferred
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
Benefits
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!
Company
TISTA Science and Technology Corporation
TISTA is a Service Disabled Veteran Owned Business (SDVOB) and trusted partner of innovative IT solutions for the federal government.
1001-5000 employees
Funding
Current Stage
Late StageLeadership Team
Ahmed R. Ali
Founder, President & Chairman
Asif Ahmed
Strategic Advisor
Company data provided by crunchbase