Top 424 Senior security engineer Jobs in Washington, Dc

Senior iOS Reverse Engineer
EVO Tech (WI) —Washington, DC
- $92,950.38 - $111,940.23 a year
- Full-time
- Research
- Analysis skills
- Mentoring
- Paid time off
Quick Apply
4d
Senior Reverse Engineer / Vulnerability Researcher
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $105,000 - $290,000 a year
- Full-time
- Computer Science
- 5 years
- Master's degree
- Disability insurance
- Health insurance
Senior Hardware Reverse Engineer
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $100,000 - $245,000 a year
- Full-time
- Computer Science
- 5 years
- Analysis skills
- Disability insurance
- Health insurance
Senior System Engineer (Email Security Migration)
System One —Washington, DC
- Contract
- Background check
- Bachelor of Science
- Senior level
- Health insurance
- Dental insurance
Quick Apply
13d
Senior Cybersecurity Engineer
Peraton —Washington, DC
- $135,000 - $216,000 a year
- Computer Science
- Bachelor of Science
- System design
- Health savings account
- Paid holidays
Cyber Reverse Engineer, Senior
CACI —Sterling, VA
- $113,200 - $237,800 a year
- Full-time
- Computer science
- 7 years
- Computer Science
- Health insurance
Senior Cloud Information System Security Engineer
MANTECH —Washington, DC
- Full-time
- Laboratory
- Azure
- 6 years
SAP Application Security and GRC Analyst (Sr.) - U.S. Citizenship Required
CGI Group, Inc. —Fairfax, VA
- $89,600 - $194,000 a year
- Hybrid work
- Background check
- Microsoft Excel
- Management
- Paid parental leave
- Paid holidays
Senior Information System Security Engineer (ISSE)
Leidos —Alexandria, VA
- $131,300 - $237,350 a year
- Full-time
- Hybrid work
- Azure
- Doctoral degree
- Computer Science
Senior Information Security Analyst
Data Systems Analysts, Inc. —Washington, DC
- $105,000 - $115,000 a year
- Full-time
- Hybrid work
- Office
- Bachelor's degree
- In-person
Quick Apply
Senior ServiceNow Software Development Engineer (Risk & Security)
CACI —Chantilly, VA
- $103,800 - $218,100 a year
- Full-time
- 5 years
- Windows
- Analysis skills
- Health insurance
Senior ServiceNow Software Development Engineer (Risk & Security)
CACI —Chantilly, VA
- $103,800 - $218,100 a year
- Full-time
- 5 years
- Windows
- Analysis skills
- Health insurance
Sr Cyber Security Engineer
System One —Washington, DC
- $79.55 an hour
- Contract
- Computer science
- Computer Science
- 5 years
- Health insurance
- Dental insurance
Quick Apply
Senior Cyber Security Fusion Analyst
Leidos —Odenton, MD
- $131,300 - $237,350 a year
- Full-time
- 11+ years
- Bachelor's degree
- Fair chance
Senior Security Engineer
Oracle —Reston, VA
- Full-time
- Research
- Senior level
Senior Security Engineer
Evolver Inc —Washington, DC
- $160,000 - $190,000 a year
- Full-time
- Background check
- Azure
- Computer Science
- Health insurance
- Dental insurance
Quick Apply
15h
Senior AI Security Engineer
DataSpring —Washington, DC
- $180,000 - $195,000 a year
- Full-time
- Remote
- System design
- HIPAA
- Residential
- Paid parental leave
- Health insurance
Quick Apply
Senior Identity Security Engineer (Arlington, VA or San Diego, CA)
CoStar Group —Arlington, VA
- $133,000 - $203,000 a year
- Full-time
- Research
- Office
- Analysis skills
- Employee stock purchase plan
- Health insurance
1d
Senior Security Engineer - Insider Risk
CVS Health —Washington, DC
- $83,430 - $222,480 a year
- Full-time
- Remote
- Windows
- High school diploma or GED
- Bachelor's degree
- Health insurance
- Dental insurance
6d
Senior Security Engineer, Detection and Response
HackerOne —Washington, DC
- $182,000 - $202,000 a year
- Full-time
- Remote
- Background check
- 5 years
- Analysis skills
- Paid parental leave
- Paid holidays

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Senior iOS Reverse Engineer

EVO Tech (WI)
Washington, DC

Quick Apply

Job Details

Full-time
$92,950.38 - $111,940.23 a year
4 days ago

Benefits

Paid time off

Qualifications

Content creation for technical audiences
iOS development
Data structures
iOS
Research
OS Kernels
Analysis skills
Software documentation
Organizational skills
Swift
Technical writing experience within technology
Debugging

Full Job Description

Position Overview

We are seeking a highly skilled Senior iOS Reverse Engineer with extensive experience analyzing iOS applications, binaries, frameworks, and system components.

The ideal candidate is first and foremost an expert reverse engineer, but must also possess a strong understanding of iOS security architecture and security mechanisms.

This individual will be responsible for understanding complex and undocumented software behavior through static and dynamic analysis, analyzing compiled code, identifying how applications and system components interact, and producing detailed technical findings.

The successful candidate must be comfortable working independently on difficult technical problems where documentation may be limited or nonexistent.

Key ResponsibilitiesiOS Reverse Engineering

Perform advanced static and dynamic analysis of iOS applications and authorized system components.
Reverse engineer ARM64 and ARM64e binaries.
Analyze Mach-O executables, libraries, frameworks, and related components.
Reverse engineer compiled Objective-C, Swift, C, and C++ code.
Reconstruct application logic, algorithms, data structures, and control flow from compiled binaries.
Analyze undocumented application and system behavior.
Analyze interactions between applications, frameworks, libraries, services, and operating-system components.
Investigate APIs, protocols, data formats, and communication mechanisms.
Identify functionality and dependencies within complex software.
Perform debugging, instrumentation, tracing, and runtime analysis.
Develop repeatable methodologies for complex reverse-engineering tasks.
Clearly document technical findings and research results.

iOS Security Knowledge

While this is primarily a reverse-engineering position, candidates must have a strong understanding of iOS security.

The candidate should understand how Apple's security architecture affects the software being analyzed, including:

iOS application sandboxing
Entitlements
Code signing
Application and process isolation
Keychain and data protection concepts
Authentication and authorization
iOS permissions
Inter-process communication
XPC and Mach services
Memory protections
ASLR
Pointer Authentication Codes (PAC)
ARM64e
Secure Boot and chain-of-trust concepts
Secure Enclave concepts
Dynamic linking and dyld
Kernel and user-space boundaries
Apple's platform security model
Modern iOS security mitigations

The candidate should be capable of recognizing when security mechanisms are influencing application or system behavior and incorporate that understanding into their reverse-engineering work.

Technical Skills

Strong experience is expected in:

ARM64 / ARM64e assembly
Mach-O binary analysis
Objective-C runtime
Swift and Swift runtime
C/C++
iOS internals
Static analysis
Dynamic analysis
Debugging and instrumentation
Operating-system fundamentals
Networking and communications protocols

Experience with tools such as:

IDA Pro
Ghidra
Binary Ninja
Hopper
LLDB
Frida
Xcode
Python

Candidates who have developed their own reverse-engineering, debugging, instrumentation, or analysis tools are particularly desirable.

Research & Analysis

The Senior iOS Reverse Engineer will be expected to:

Take an unfamiliar application, binary, or component and determine how it operates.
Identify important functions, classes, objects, and data structures.
Reconstruct undocumented functionality.
Trace execution paths and data flows.
Analyze communications between software components.
Understand security boundaries affecting the analyzed software.
Develop scripts and tools to accelerate analysis.
Validate technical hypotheses through controlled testing.
Produce clear and reproducible technical documentation.

Required Qualifications

5+ years of relevant reverse-engineering experience, preferably involving iOS or other Apple platforms.
Demonstrable expertise in software reverse engineering.
Strong iOS reverse-engineering experience.
Strong ARM64 assembly knowledge.
Experience analyzing Mach-O binaries.
Strong understanding of Objective-C.
Experience analyzing compiled Swift applications.
Strong understanding of iOS internals.
Strong understanding of iOS security architecture and security mechanisms.
Extensive experience with static and dynamic analysis.
Strong debugging skills.
Programming or scripting experience in Python, C, C++, Objective-C, Swift, or similar languages.
Ability to independently solve difficult technical problems.
Ability to work effectively with undocumented or poorly documented systems.
Strong technical documentation and communication skills.

Exceptional candidates with fewer years of formal experience may be considered based on demonstrated technical capability.

Preferred Experience

Additional experience in the following areas is highly desirable:

Mobile security research
Vulnerability analysis
Binary instrumentation
Protocol reverse engineering
Network protocol analysis
macOS reverse engineering
WebKit analysis
Kernel internals
Fuzzing
Cryptography
Secure communications
Automated binary analysis
Custom reverse-engineering tool development

Published research, technical presentations, CVEs, security advisories, open-source projects, or other demonstrated reverse-engineering work is highly valued.

Senior-Level Responsibilities

As a senior member of the research team, the individual will also be expected to:

Independently own complex reverse-engineering assignments.
Determine the most effective technical approach to an investigation.
Provide realistic assessments of technical feasibility and difficulty.
Assist other researchers when they encounter difficult reverse-engineering problems.
Review and validate technical findings.
Mentor junior reverse engineers.
Develop internal tools and methodologies.
Improve research workflows and technical documentation.
Share technical knowledge with the broader engineering and research organization.
Stay current with changes to iOS, Apple hardware, ARM architecture, and relevant security mechanisms.

Ideal Candidate

The ideal candidate is a reverse engineer who also thinks about security.

They should be capable of receiving an unfamiliar iOS application, binary, framework, or system component and systematically determining:

What does it do?

How does it work internally?

How does it communicate?

What other components does it depend upon?

What security controls affect its operation?

What protections or restrictions must be considered when analyzing it?

The candidate should have the curiosity and persistence required to work through complex binaries and undocumented behavior while maintaining a strong understanding of the security architecture surrounding the software.

Security & Confidentiality

This position may involve sensitive proprietary technology and confidential research.

Candidates must demonstrate excellent discretion and professional judgment.

All reverse engineering, analysis, testing, and related research must be conducted within authorized environments and approved scopes and in accordance with applicable legal, security, privacy, intellectual-property, and confidentiality requirements.

What Success Looks Like

A successful Senior iOS Reverse Engineer will be able to independently take a complex iOS target, determine how it functions through advanced reverse engineering, understand the relevant security mechanisms affecting it, develop tools where necessary to accelerate analysis, and produce clear and technically accurate findings.

We are seeking someone who can become a senior technical authority in iOS reverse engineering, while bringing the security knowledge necessary to understand the modern iOS environment in which that software operates.

Pay: $92,950.38 - $111,940.23 per year

Benefits:

Paid time off

Work Location: In person

Quick Apply

Refine Your Search

senior security engineer jobs in washington, dc

Senior iOS Reverse Engineer

Senior Reverse Engineer / Vulnerability Researcher

Senior Hardware Reverse Engineer

Senior System Engineer (Email Security Migration)

Senior Cybersecurity Engineer

Cyber Reverse Engineer, Senior

Senior Cloud Information System Security Engineer

SAP Application Security and GRC Analyst (Sr.) - U.S. Citizenship Required

Senior Information System Security Engineer (ISSE)

Senior Information Security Analyst

Senior ServiceNow Software Development Engineer (Risk & Security)

Senior ServiceNow Software Development Engineer (Risk & Security)

Sr Cyber Security Engineer

Senior Cyber Security Fusion Analyst

Senior Security Engineer

Senior Security Engineer

Senior AI Security Engineer

Senior Identity Security Engineer (Arlington, VA or San Diego, CA)

Senior Security Engineer - Insider Risk

Senior Security Engineer, Detection and Response

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