IT Security Analyst Hyattsville, MD

Job Description

IT Security Analyst job ttsville, MD.

Description

Leidos Enterprise & Cyber Solutions Defense group is seeking a Cyber Security Analyst to support the C5

ISR DCSB contract for a Full Time opening. This position is supporting US Army Command, Control, Computers, Communications, Cyber, Intelligence, Surveillance, and Reconnaissance (C5

ISR) Defensive Cyber Solutions Branch (DCSB); performing the mission of Network Defense 24 hours a day, 7 days a week within a high-visibility DOD Security Operations Center (SOC).

This position is Swing Shift 2-10pm.

• Coordinate investigation and response efforts throughout the Incident Response lifecycle
• Correlate and analyze events and data to determine scope of Cyber Incidents
• Acquire and analyze endpoint and network artifacts to determine impact direct remediation efforts for affected subscribers
• Recognize attacker tactics, techniques, and procedures as potential indicators of compromise (IOCs) that can be used to improve monitoring, analysis and Incident Response.
• Develop, document, and maintain Incident Response process, procedures, workflows, and playbooks
• Tune and maintain security tools (IDS and SIEM) to reduce false positives and improve SOC detection capabilities
• Document Investigation and Incident Response actions taken in Case Management Systems and prepare formal Incident Reports for affected subscribers
• Work in a dynamic and fast-paced environment to defend the DODIN from highly-capable advanced persistent threats (APTs).

• Require BS degree and 4-8 years of prior relevant experience in order to operate within the scope contemplated by the level.; additional experience in lieu of degree may be acceptable.
• Team player comfortable working with others to achieve mission objectives
• Able to support traditional SOC shift work (i.e. days/swings/mids)
• Demonstrated experience utilizing an enterprise Security Information and Event Management (SIEM) system to monitor data flow between networks
• Hands-on experience analyzing high volumes of logs, network data (e.g. Netflow, Full Packet Capture) to identify malicious, suspicious, or non-compliance activity with varying degrees of complexity & sophistication
• Background in traffic and/or packet analysis
• Good understanding of TCP/IP, common networking ports and protocols, traffic flow, system administration, OSI model, defense-in-depth and common network security elements.
• Understanding of cloud security concepts and considerations.
• Must have a DoD-8570 IAT Level 2 baseline certification (Security+ CE) and CSSP-Infrastructure Support certification to start.
• Candidate must possess an active TS/SCI with SAP Eligibility.
• Familiarity with Unix systems.

• Hands-on cybersecurity experience (Protect, Detect, Respond and Sustain) within a Computer Incident Response organization.
• Motivated self-starter with strong written and verbal communication skills, and the ability to create complex technical reports on analytic findings.
• Demonstrated understanding of the life cycle of network threats, attacks, attack vectors and methods of exploitation with an understanding of intelligence driven defense and/or Cyber Kill Chain methodology.
• Experience in a 24x7 environment.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting: December 3, 2025

For U.S. Positions:
While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

$85,150.00 - $

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge,…