> Markdown version of [/jobs/ext/2696316-information-system-security-officer](https://www.wearedevelopers.com/jobs/ext/2696316-information-system-security-officer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Information System Security Officer

- **Company:** CareerCircle
- **Location:** Adelphi, MD, United States
- **Experience:** Expert
- **Salary:** $87,100.0 - $157,450.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Application Layers, Microsoft Azure, Unix, Network Analysis, Software as a Service, Cloud Computing Security, Configuration Management, Signals Intelligence, Communications Protocols, CompTIA Security+, Cyber Security, Information Systems, Computer Networks, Hardware Security Module, Identity and Access Management, Information Security Management, Intrusion Detection and Prevention, Intrusion Detection Systems, OSI Models, Key Management, Network Security, NetFlow, Network Monitoring, Packet Analyzer, Open Source Intelligence, Open Systems Interconnection (OSI), Software Maintenance, ArcSight SIEM Tool, SAP (Applications), Security Information and Event Management, Software Engineering, Software Systems, Systems Integration, TCP/IP, Wireshark, Software Vulnerability Management, Network Switches, Network Routing, Data Processing, Google Cloud, Computer Network Operations, Cloud Platform System, Software Security, Mitre Att&ck, Malware, Cyber Threat Analysis, Firewalls (Computer Science), Information Technology, Hardware Infrastructure, Cyber Warfare, Oracle Cloud Infrastructure, User Identification, Vulnerability Analysis
- **Published:** September 3, 2026
- **Apply:** https://www.careercircle.com/jobs/all/all/usa/md/adelphi/c77b0c55-bef3-4f69-ae9e-1dd35403e3d1

## About the Role

OSI Models
Market Data
Oracle Cloud
Traffic Flow
Investigation
Cyber Security
Cloud Security
Attack Vectors
Self-Motivation
Microsoft Azure
Law Enforcement
Packet Analyzer
Ancient History
SAP Applications
Event Management
Defense In Depth
Network Security
Threat Detection
Cyber Operations
Incident Response
Computer Networks
Workflow Management
Amazon Web Services
Enterprise Security
CompTIA Security+ CE
System Administration
Continuous Monitoring
Exploitation Techniques
Vulnerability Management
Cyber Threat Intelligence
Cyber Kill Chain Framework
Verbal Communication Skills
Google Cloud Platform (GCP)
CSSP Infrastructure Support
Software As A Service (SaaS)
Multi-Tenant Cloud Environments
Security Information And Event Management (SIEM)
Top Secret-Sensitive Compartmented Information (TS/SCI Clearance), * Bachelor's degree and 4-8 years of relevant cybersecurity experience.

 * Hands-on experience using an enterprise Security Information and Event Management (SIEM) platform.
 * Experience analyzing high volumes of security logs and network data, including NetFlow and/or full packet capture.
 * Experience with network traffic and packet analysis.
 * Strong understanding of TCP/IP, common ports and protocols, network traffic flows, the OSI model, system administration, defense-in-depth, and network security technologies.
 * Understanding of cloud security concepts and considerations.
 * Familiarity with Unix-based systems.
 * Ability to work effectively in a collaborative, mission-focused SOC environment.
 * Ability to work the 6:00 am to 2:00 p.m day shift.
 * Baseline certification (Security+ CE) and CSSP-Infrastructure Support certification at start.
 * U.S. citizenship with an active TS/SCI clearance with SAP Eligibility.

Preferred Qualifications: You don't need to check every box below. We'd especially like to hear from candidates with experience in one or more of the following areas:

 * Cybersecurity experience across Protect, Detect, Respond, and Sustain functions within a Computer Incident Response or Security Operations organization.
 * Experience working in a 24x7 SOC or cyber operations environment.
 * Understanding of the cyber threat lifecycle, attack vectors, exploitation techniques, and adversary behavior.
 * Familiarity with intelligence-driven defense, Cyber Kill Chain methodology, and/or related threat frameworks.
 * Experience analyzing advanced attacker TTPs and indicators of compromise.
 * Strong written and verbal communication skills, including the ability to translate complex technical findings into clear, actionable reports.
 * A proactive, self-motivated approach with the ability to perform effectively in a fast-paced operational environment., Network Routing
Ancient History
Network Switches
Software Systems
Security Policies
Software Security
Hardware Security
Solution-Oriented
Analytical Method
Life Cycle Support
Security Solutions
Systems Integration
Information Systems
Network Engineering
Operations Security
User Identification
Time Off Management
Security Engineering
Software Development
Software Maintenance
Signals Intelligence
Information Assurance
Information Processing
Application Development
Configuration Management
Communications Protocols
Vulnerability Management
IAT Level II Certification
IAM Level II Certification
Computer Network Operations
Information Systems Security
Security Requirements Analysis, NetFlow
Equities
Dashboard
Wireshark
Operations
Leadership
Automation
Mitigation
Market Data
Risk Analysis
Cyber Defense
Cyber Security
Trend Analysis
Packet Analyzer
Ancient History
Threat Detection
Malware Analysis
Network Analysis
Application Layers
Network Monitoring
Information Systems
Exploitation Techniques
Vulnerability Management
Open Source Intelligence
Cyber Threat Intelligence
Cyber Kill Chain Framework
Standard Operating Procedure
Open Systems Interconnection
ArcSight Enterprise Security Manager

## Description

Our team protects a diverse, multi-tenant environment spanning on-premises infrastructure and leading cloud platforms, including AWS, Microsoft Azure, Google Cloud Platform (GCP), Oracle Cloud, and SaaS environments. If you thrive on investigating complex threats, analyzing network activity, and working alongside experienced cyber professionals to defend critical missions, we want to hear from you., * Lead and coordinate investigations throughout the Incident Response lifecycle, from initial detection through remediation.

 * Correlate and analyze security events, alerts, logs, and network data to determine the scope and impact of cyber incidents.
 * Acquire and analyze endpoint and network artifacts, including NetFlow and full packet capture, to identify malicious or suspicious activity.
 * Identify attacker tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) to strengthen detection and response capabilities.
 * Tune and maintain SIEM and IDS technologies to reduce false positives and improve SOC detection effectiveness.
 * Develop and maintain Incident Response processes, procedures, workflows, and playbooks.
 * Document investigations and response actions in case management systems and prepare clear, actionable incident reports.
 * Collaborate with cyber professionals in a fast-paced operational environment to defend the DoD Information Network (DoDIN) against sophisticated threats and advanced persistent threat (APT) actors., Management
Market Data
Test Planning
Insider Threat
Ancient History
Project Planning
CompTIA Security+
Advanced Analytics
Technical Analysis
Information Systems
Security Technology
Security Engineering
Information Assurance
Information Technology
Vulnerability Scanning
Risk Management Framework
Authorization (Computing)
Verbal Communication Skills
Assessment And Authorization
Information Systems Security
Customer Relationship Management
Federal Information Security Management Act
+0
Senior Information System Security Officer
Leidos

Annapolis Junction, MD*On-Site

Firewall
Equities
Operations
Management
Purchasing
Upskilling
Encryption
Market Data
Cryptography
Key Management
Security Tools


## Related Videos

- [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers)
- [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go)
- [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security)
- [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities)
- [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data)
- [The Time Paradox: Building Timezone-Safe Python/Django Applications](https://www.wearedevelopers.com/videos/1915-the-time-paradox-building-timezone-safe-python-django-applications)

## Related Articles

- [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)
- [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)
- [Events like RSAC Get You CISOs. Developers Decide What Actually Gets Deployed.](https://www.wearedevelopers.com/magazine/693-events-like-rsac-get-you-cisos-developers-decide-what-actually-gets-deployed)
- [Walking Into The Era of Supply Chain Risks](https://www.wearedevelopers.com/magazine/106-walking-into-the-era-of-supply-chain-risks)
- [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities)
- [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)